The following errors and bugs were corrected
- Incorrect presentation of design models in the main window of the program on computers with more than 32 Gb RAM.
- Algorithm for generation of design combinations of forces (DCF) for the serviceability limit states is modified.
- Error in reading from file the information about reinforced concrete materials defined according to SP 63.13330.2012 when names of materials have great length because of large number of space characters.
- Prolonged period of time response for the program when the models are merged in case the merged elements of the model have a large number of defined structural blocks/elements.
- Error with colour palette presented by formula in case the colour palette has only one range of values.
- Values of shear reinforcement on mosaic plots of reinforcement.
- Extended list of cross-sections of RC elements for which analysis of reinforcement may be carried out: ‘C-shaped section’ and ‘Crane beam’ sections are added.
- Errors in documenting tables of stiffness properties:
- clarified value for the weight per running metre for bars;
- modified order in which parameters are presented for one of nonlinear stress-strain diagrams for materials (type 14 – piecewise linear function).
- Error in the dialog box for defining DCL (design combinations of loads), sometimes this error occurred when existing DCL table was edited.
- Clarified data about reinforcement pattern in the section of bar when the reinforcement data is exported to SAPFIR-RC.
- For building code SP.16.13330.2011, error when stability analysis of eccentrically compressed bars is changed for stability analysis of flexural bars according to sect. 9.2.2.
- Occasional errors when several DCL tables are generated within the same problem and when they are copied through the Clipboard.
- Clarified import of local coordinate systems from the *.sli file, possible effect of rounding errors is eliminated.
- Added option to generate the *.csv file for the nodal response spectrum.
SAPFIR-Structures
- Enhanced algorithm for generation of load (defined in slab properties) for slabs supported by columns with capitals.
- Error occurred when the boundary conditions were defined for the stairs and analytical model of the stairs is reached along the horizontal.
- Selection option ‘Apply load factors’ is automatically duplicated in the ‘Load cases’ dialog box and ‘Project properties’ dialog box.
- Added option: grid lines may be displayed on facade and sectional view in certain projection.
- Corrected reading of previous models (from SAPFIR 2012).
- For the ‘large panel buildings’ system, manual editing of stiffness for the platform joint is corrected (defining σi).
- Added option: automatic re-calculation of thickness for the FE of platform joint for cases when 2 rows of platform elements are defined for the same platform joint.
- Error in presentation of reinforcement in the 3D view and on the plan of a wall that is located to the right of the axis and face of such wall is directed to the left.
- Restored option: the following data may be saved to the *.asp file and then opened in SAPFIR-RC module:
- class of concrete and reinforcement for which analysis of reinforcement in VISOR-SAPR module was carried out;
- location of gravity centres for rebars in beams.
- Modified visualization for areas of reinforcement and marks of RC elements in the 3D view for walls that are located one above the other within the limits of the same storey.
List of modifications
- Building code for reinforced concrete structures TKP EN 192-1-1-2009 (Belarus) is supported; this building code is adapted from Eurocode 2.
- Modified option: analysis of reinforcement in masonry structures, logically enhanced procedure of defining materials for masonry structures.
- Added option: import of design models from Revit Structure 2018.
- Added option: compatibility between KM-SAPR module and AutoCAD 2018.
- Enhanced options: to copy materials between design options and to assign materials to elements of design model, additional check for correctness in copy procedure.
- Clarified: analysis of principal and equivalent stresses for the standard section type ‘Channel’.
- Added option: to check whether updates for LIRA-SAPR program are available. Appropriate command is added to the HELP menu. Unlike releases, the updates contain only corrected modules and do not require reinstallation of the program.
- Added option: new examples in Tutorial. The examples have step-by-step instructions explaining every aspect of the procedure in LIRA-SAPR program. They also make you familiar with the growing capacities of program interface:
- analysis of 3D framework of the RC structure and import of selected reinforcement for further nonlinear analysis;
- analysis of two-span beam with NonLinear Engineering Design system.
Detected and removed errors
- Added option: additional check for correct unification groups of structural elements during geometric modifications in design model; this check prevents possible disagreement in previously created unification groups.
- Corrected error (in previous release): new elements of Report Book were lost when the problem was closed.
- Corrected error: core distance Y2 of arbitrary section when LiraKM files are imported.
- Corrected error: occured when you start analysis of the problem in case the model contains structural elements but unification of structural elements is not defined.
- Modified option: account of design requirements for flexural elements in the module of reinforcement according to SP 63.13330.2012.
- Modified option: warning about increased reinforcement ( N > N critical ) is displayed in the module of reinforcement according to SP 63.13330.2012.
- Corrected error (DCF): in case of dynamic module 24 when mutual exclusion between variants is defined. Variant – real and imaginary component of harmonic load.
- Modified option: accompanying for instant and earthquake loads when generating DCF.
- Corrected error: in generation of DCF groups.
- Modified option: for physically nonlinear problems, enhanced algorithm for arrangement of regular point reinforcement for the ring section.
Pattern for point reinforcement in the ring section
- Corrected error: when you click the range of errors on the colour palette, the program selected not only error but certain correct elements as well.
- Corrected error: occured when you start analysis of super-element problem that contains elements for which real stiffnesses are not necessary (FE53, FE54, FE57).
- Restored option: displacement values at nodes for dynamic load cases ‘Harmonic vibrations’ (dynamic modules 24 and 28) in the ‘Information about node’ dialog box.
- Clarified figures on mosaic plots with values of relative displacements by mode shapes.
- Clarified calculation for cone of friction (the friction that is not considered along the side surface of the pile).
The third release of LIRA-SAPR 2017 contains updated Help system.
SAPFIR-Structures
- Added: account of load-bearing layer in multi-layer walls in analysis of masonry structures.
- Enhanced import of floor plans (*.dxf):
- window and door openings are automatically filled;
- openings may be defined in walls;
- option to generate piles, columns, walls, partitions, windows, doors and openings (in walls) according to dimensions and thickness of objects determined automatically based on *.dxf contours;
- restored option to save parameters assigned to layer. It is possible to download the saved parameters to the project and apply them once again.
- Enhanced option to import main and additional reinforcement to Tekla Structures.
- Enhanced algorithm for automatic collection of wind loads: when generating wind load, the load is applied to the whole structure rather than to visible storeys.
- Added: new building code for design of reinforced concrete structures TKP EN 192-11-1-2009 (Belarus) in properties of the project.
- Enhanced algorithm for generating punching shear contours for columns-pylons near the openings.
- Added option: to edit (in groups) properties for analytical models of stairs.
- Dimension to the gravity centre of reinforcement defined in design parameters for an element is now interrelated with concrete cover of reinforcement that is displayed in properties of slab. These parameters are used for punching shear analysis in VISOR-SAPR and now they are interrelated.
- Option to define rounding modulus for linear dimension and the chain of dimensions.
- In SAPFIR-RC module for column reinforcement, you could define the step between stirrups in the third (upper) zone.
- Option to visualize zone of reinforcement in the diaphragm as pair of rebars.
- Enhanced algorithm for arrangement of rebars’ tags when generating the view of column reinforcement.
- Rounding modulus for dimensions of stirrups and studs in specifications and lists of components.
Detected and removed errors
- Corrected error: in presentation of load from space when the storeys are copied.
- Corrected error: location of specification of reinforcement on the sheet of drawing.
- Corrected error: design options when you select several building codes for reinforced concrete and masonry structures.
- Corrected error: in selecting windows and doors with the filter by parameters.
- Corrected error: in saving the cross-section of piles for VISOR-SAPR.
New options in different modules in the following chapters: ‘RC structures’, ‘Foundations and beddings’, ‘Loads and actions’, ‘Steel structures’.
Chapter Punching shear analysis
- New module: Punching shear along circular contour according to Eurocode.
Chapter RC Structures
- The following modules are enhanced:
- Concrete sections with fibre-reinforced polymer (FRP) bars – analysis by ultimate states.
- Design of composite steel & concrete columns – building code SP 266.1325800.2016 ‘Composite steel & concrete structures’ is supported.
- Design of composite steel & concrete slabs - building code SP 266.1325800.2016 ‘Composite steel & concrete structures’ is supported.
Chapter Foundations and beddings
- The Slope stability module: new type of analysis is added – cylindrical slip surface with stiff soil.
- The Single pile module - Amendment No.1 to SP 24.13330.2011 is considered.
- The Pile under combined action of loads module - Amendment No.1 to SP 24.13330.2011 is considered.
Chapter Loads and actions
- Building code SP 20.13330.2016 is supported in the following modules:
- Snow loads.
- Wind loads.
Chapter Steel structures
- The following modules are added to the English version:
- Analysis of weld joints.
- Bolted connections.
- Report book: corrected error that occurred when you add/insert element to the Report Book. If the chapter in the Report Book was different from the root one, then the added element was lost. The error occurred only when you open the *.lir file next time. The error is present only in LIRA-SAPR 2017 R2.
- Modified option: change of languages in graph of kinetic energy for problems analysed in Dynamic-plus system.
- Corrected error in reading stiffness while importing LiraKM file.
- Corrected error: when you start analysis of the problem if the model contains structural elements but unification of these elements is not defined. Analysis did not start.
- Modified option: account of design requirements for flexural elements in module of reinforcement according to SP 63.13330.2012.
Modifications available in new release of the program
- New finite elements are added: 2D triangular FE of soil body (FE 82), 2D quadrilateral FE of soil body (FE 84), 2-node that simulates undoundary soil body located outside design model (FE 67).
- Added option: graph of kinetic energy is added to the output data in time history analysis.
- Added option: when you create unification groups of structural elements it is possible to select the type of unification.
- Added option: for RC and steel materials, more options to copy and assign materials between design options in the ‘Copy properties of design option’ dialog box.
- Added option: output data after analysis of masonry structures now contains mosaic plot with errors in analysis at certain piers.
- Enhanced option: standard tables with output data from analysis of masonry structures.
- Added option: analysis of pile stiffness now supports modification No.1 to SP 24.13330.2011 ‘Pile foundations’ implemented on June 04, 2017.
- Added option: link between LIRA-SAPR 2017 and Tekla Structures 2017.
- Enhanced options to generate and edit multimaterial cross-sections in the ‘Cross-section Design Toolkit’ module.
Identified errors and bugs are corrected
- Corrected error occurred when you start analysis for problems where additional system ASSEMBLAGE is used and assemblage tables are available.
- Corrected error in documentation system; occurred when tables of output data were generated after analysis of steel structures.
- Corrected error occurred when you preview or edit the DCL table in case the total number of rows in the DCL table was greater than 1000.
- Corrected error in reading from LIR-file of previous version the data about unified structural elemements that contain references to deleted but not packed finite elements.
- Corrected error in documentation system; occurred when tables of unified DCF were generated if unification was defined in more than one design option (tables of unified DCF were not generated for design options with numbers greater than 1).
- Minor bugs are corrected.
SAPFIR-Structures
- For the system ‘Panel buildings’, added option: to apply modifications in properties of mark of joint (made in the Library of joints) to all samples of this mark located in the model. Modifications are applied to joints created in automatic arrangement.
- Enhanced option: import of design model from Tekla Structures.
- Reinforcement selected in LIRA-SAPR and designed in SAPFIR-RC is now imported to structural elements of Tekla Structures.
- Added option: in analytical model of stairs it is possible to select the load case for the load on staircases and strings.
- Added option to copy buildings within the same project and from one project to another.
- Modified calculation of stiffness in contact joint when you click Recalculate.
- Added option: approximation step in analytical model for curvilinear walls and beams.
- Added option: interpretation ‘Load’ to the object of type space, column, 3D body.
- Enhanced option to copy openings in slabs to other stories.
- Restored option to modify the triangulation step for bars.
- Restored option to save (to file) the building code for loads and design options defined for the project.
- Enhanced option to create dimensions parallel to the X-axis for the views of diaphram.
- Corrected options to edit surface load, to sum load on slab with the dead weight, to apply loads from partitions to the level of its storey.
- Corrected bug: lost of materials assigned to objects when the model file is saved.
- For reinforcement in columns, corrected bug when the same mark was assigned to stirrups of different length.
- Minor bugs are corrected.
New system: Large Panel Buildings
Analysis model of the large panel building is generated. Analysis is carried out, then you could obtain parameters of the stress strain state for elements of the large panel building. Constantly enlarged and editable library of joint types is provided. This library determined adaptability of the system to new types of large panel buildings.
Library of joints in preprocessor SAPFIR
Arrangement of restraints by embedded items in preprocessor SAPFIR
The library contains different variants of the following types of joints: platform joint, contact joint, vertical joints, vertical joints of wall panels with or without embedded items, etc. According to selected type, the user could compose certain samples of joints and place them to the building model.
Division and assignment of panels joints
Linear and nonlinear analyses area available for large panel buildings. The FE library contains new elements of panel joints. Nonlinear analysis enables you to carry out analysis by step-type method (simulation of loading process) and iteration method based on NonLinear Engineering Design concept (NL Engineering). With this concept it is possible to carry out analysis in traditional method (analysis on several load cases, composing DCF and DCL, analysis of elements of reinforcement, structural elements of joints and embedded items) with indirect consideration of nonlinear behaviour of structure. After analysis you will obtain all parameters of the stress-strain state of elements of the large panel building including diagrams of contact stresses in joints of the building.
More details on this possibility can be found in the article (in Russian): «Modeling and calculation of large-panel buildings in the LIRA-SAPR 2017»
New system: Masonry Structures
Analysis of reinforced masonry structures in LIRA-SAPR 2017 supports the following building codes: SP 15.13330.2012, SNIP II-22-81 and DBN B.2.6-162.
New ribbon tab: Masonry
The model is generated in preprocessors SAPFIR or LIRA-SAPR. The user assigns horizontal levels in structural model (at the elevation of min section of pier, at elevation where floor slabs are supported, etc.), the strength of masonry is checked at these levels. When forces are computed by the solver, combined 3D behaviour of load-bearing brick and reinforced concrete elements of the building is considered. Required number of mesh reinforcement as well as rebars of vertical reinforcement are determined. It is possible to analyse several variants for different division of wall segments in different design options defined by the user.
Screens with input data and output data in Masonry Structures system
Materials are prepared and defined for design model in a similar way to the input data for analysis of steel and RC structures. Materials for analysis of masonry structures contain three components: properties of masonry, properties of reinforcement, parameters of exterior strengthening of piers.
Dialog box to define materials for analysis of masonry structures
Loads on brick piers are generated according to results of static and dynamic analyses. Loads for piers are presented both for separate load cases and for their combinations. Loads on piers may be presented as mosaic plots or as vectors applied at gravity centres for every pier.
Loads on piers presented as mosaic plots
Loads on piers (in masonry structures) presented as vectors
Output data for mesh reinforcement contains mosaic plot for number of masonry courses in which reinforcement should be placed, mosaic plot for required diameters of meshes and appropriate percentage of reinforcement in masonry.
Mosaic plot for safety factors
Mosaic plot for number of masonry courses for arrangement of mesh reinforcement
If vertical rebars or combination from mesh reinforcement and rebars were assigned in analysis, then output data will contain mosaic plots for required number of rebars and their diameters as well as appropriate percentage of reinforcement.
For every level it is possible to obtain the sketch of working drawing with number of masonry courses in which it is necessary to place reinforcement meshes.
Automatic generation of groups of brick piers
In the same project it is possible to define different types of masonry structures, different types of stone, slag stone, shell limestone, tuff, etc.
New system: Composite (Steel & RC) Structures
Analysis of composite steel and RC structures is carried out according to Chapter 7 SP 266.1325800.2016- analysis of RC structures with stiff reinforcement and analysis of pipe concrete structures.
Analysis and design (as sketches) of elements (beams, columns) in composite steel and RC structures is available. Sections for stiff reinforcement are defined. Defined sections are checked and, if required, flexible reinforcement is determined. A wide set of types of stiff reinforcement is provided.
Types of sections and method for defining stiff reinforcement in section
Advanced algorithm for selection and check of somposite steel and RC section is provided. The section includes elements of three different materials: concrete (B30, B40, etc.); stiff reinforcement (VSt3kp, etc.); flexible reinforcement (A400, A500, etc.).
The deformation theory of reinforced concrete is realized. Composite steel and Rc section may be analysed on all types of forces: Mx, My, Mkp, N, Qx, Qy.
Output data for composite steel and RC structures is presented in graphic and tabular form in a similar way to analysis of RC structures.
Output data for presentation of determined reinforcement in composite steel and RC structures
Elements of composite steel and RC structures may be exported to local mode of analysis for more detailed analysis and additional examination.
Local mode of analysis for composire steel and RC structures
New system: Cross-section Design Toolkit
The following stiffness properties are computed: flexural, torsional, shear, warping, for mono- and multi-material arbitrary sections. Sections may be solid, thin-walled and combined. It is possible to include strip elements and rolled profiles. When you define forces that act on the section, the program computes stresses at any point of cross-section – axial, shear, equivalent by different criteria of rupture. User-friendly interface on the basis of SAPFIR tools.
Document window in Cross-section Design Toolkit
Multi-material combined section (fragments of solids, strip elements and point inclusions)
Stiffness parameters of the section (output data)
User-defined section for analysis
Unified graphical user interface
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Local axes of plates are automatically unified when you create and edit plane fragments of the model.
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More methods to define and edit surface loads. Contour vertices may be defined by coordinates, with vector and by increment of coordinates from the current vertex.
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When loading history is generated, for nonlinear problems it is possible to use defined combinations of DCL as well as load cases.
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Output data for problems with time history analysis may be presented graphically for the whole model at the user-defined time points. Characteristic time points may be selected and saved (in an easy-to-use form) to the list that you will edit later. It is possible to animate the model deformation and manage the animation process.
Preview output data of Dynamics-plus system
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Skews of check points (located at different levels) are computed according to analysis results of separate load cases, design combinations of loads (DCL) or nonlinear loading history.
Skews of storeys - analysis results
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New option to generate (for fragment of the model) the shortlist with materials available in the fragment.
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When you copy parameters of design option, list of parameters to be copied and settings are extended.
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When the models are merged, the main model and the model that should be attached are automatically intersected, common data for design process is generated.
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Added functionality in flags of drawing in order to manage information that will be displayed on the screen. New filters for search and selection of objects on design model and further fragmentation of design model.
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New tool to display the input data and output data: it is possible to display contour plots, mosaic plots and diagrams only for selected elements and nodes without model fragmentation.
Presentation of output data in new mode
Solver
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Nodal response spectrums for dynamic loads on accelerograms are realized; these spectrums enable the user to obrain dynamic parameters for any zone of the structure.
Output data for Response Spectrum at the specified node of the model
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Time history analysis is carried out according to Newmark method. Within this analysis, damping properties of structure are considered – two-node element of visco damper; damping properties of materials (soil, etc.)
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Within time history analysis, boundary elements are realized; they simulate behaviour of rejected part of soil in static and dynamic loads. For dynamic loads, such elements are transparent for the waves. Realized boundary elements are debugged and will be included into subsequent releases of the program.
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Pushover analysis: it is possible to consider (by approximate method) physically nonlinear properties of material in dynamic loads.
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Within step-type solver, analysis with account of nonlinear thermal creep is provided.
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In step-type solver it is possible to compose the loading history not only from load cases but from DCL as well, and combined history that contains both load cases and DCL.
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For physically nonlinear analysis, the stress-strain diagram with falling branch is realized (Eurocode 2).
Nonlinear stress-strain diagram for concrete with falling branch
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Finite elements that simulate platform joints in large panel buildings for linear analysis (FE 58, FE 59) and for nonlinear analysis (FE 258, FE 259).
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Modified analysis of mode shapes of natural vibrations. Modified buckling analysis.
Analysis of Reinforced Concrete (RC) Structures
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Analysis of torsion reinforcement for composite sections is available for building code SP 63.13330.2012. Composite sections are divided into rectangular components. Appropriate torsion reinforcement is displayed for every rectangular component.
Analysis of torsion reinforcement for composite sections
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Effective height of wall is considered in analysis of reinforcement according to Karpenko theory. Four concrete covers may be considered in analysis of reinforcement in plate elements by Karpenko theory.
Materials for analysis of RC structures
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Punching shear analysis for floor slabs according to CH PK EN 1992-1-1:2004/2011 and DBN B.2.6-98:2009.
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Schematic design is provided for beams and columns according to SP 63.13330.2012.
When you design beams and columns it is possible to arrange reinforcement, vary diameters of reinforcement bars, obtain diagram of materials, obtain information about reinforcement in selected section of beam (column).
Design of beam. Diagram of materials
Design of column. Reinforcement pattern
You could also obtain sketches of working drawings for reinforcement in beams and columns. The sketches include sectional elevations, cross-sections of beam (column), specification of reinforcement and bill of materials.
Working drawing (sketch) with reinforcement in beam
Working drawing (sketch) with reinforcement in column
Analysis of steel structures
In addition to 74 existing joints of steel structures, 7 new types of joints with rigid column bases are added with different arrangement of anchor bolts and traverses.
Rigid column bases
New set of joints with rigid column bases
To evaluate in detail the output data for new joints, the tracing routine is provided.
Analysis of joint (local mode), tracing routine
In local mode of STC-SAPR, data about governing forces that were used for selection/check of steel section is added for the building code SP 16.13330.2011. This option significantly helps you to simplify evaluation of the output data.
STC-SAPR. Output data
Report Book (Documentation system)
To check and prepare documentation with stiffness parameters applied in design model, tables of input data may be updated now.
Input data tables
Input data documents for physically nonlinear analysis
Set of updatable tables for output data of masonry structures is enhanced (loads on piers by load cases/DCL/DCF, output data for additional reinforcement with reinforcement meshes and rebars).
New set of tables with output data for analysis of masonry structures
Moving loads according to SP 35.13330.2011
Moving load at elements of the bridge span is simulated according to SP 35.13330.2011. To do this, preprocessor SAPFIR provides you with special tools that enable you to select load from the library, adjust parameters, graphically define and edit trajectories, stand points and generate DCL. The library of loads is refilled with interactive tools.
Moving loads according to SP 35.13330.2011
Import of floor plans
Enhanced tecnhology for generation of 3D model of the structure based on DXF floor plans. Types of objects and their properties may be assigned both through parameters of layers when generating in AutoCAD and directly in SAPFIR.
Import of DXF floor plans
- Complete software package ESPRI (85 modules) is available in English now.
- ‘Timber structures’ Chapter is added.
- ‘Reinforced concrete’ Chapter. 2 new modules are added:
- Column strengthened with composite materials;
- Composite steel and concrete slabs.
- ‘Single pile’ module. Analysis of screw piles is introduced.
- ‘Parametric joints of steel structures’ module. Analysis of joints in trusses from structural tubing is introduced.
- The following modules are enhanced:
- Effective lengths of steel structure elements;
- Punching shear by SP 63.13330.2012.
- Complete software package ESPRI (85 modules) is available in English now.
- ‘Timber structures’ Chapter is added.
- ‘Reinforced concrete’ Chapter. 2 new modules are added:
- Column strengthened with composite materials;
- Composite steel and concrete slabs.
- ‘Single pile’ module. Analysis of screw piles is introduced.
- ‘Parametric joints of steel structures’ module. Analysis of joints in trusses from structural tubing is introduced.
- The following modules are enhanced:
- Effective lengths of steel structure elements;
- Punching shear by SP 63.13330.2012.
New Demo version LIRA-SAPR 2016 provides you with access to all elements of user interface, you could get familiar with all modes of the program, generate (with no serious limitations) design models for buildings and structures of various purpose. But options to save and analyse the model are available only for problems that are not beyond limitations imposed on demo version (design model should contain not more than 1000 nodes and 1000 elements).
New features and options in LIRA-SAPR 2016 R2
• Added option: import of design models from Revit Structure 2017.
• Added option: compatibility between KM-SAPR 2016 module and AutoCAD 2017.
• Clarified option: priorities for group selection of nodes and elements on the model when you apply construction lines and levels in order to select items with ‘selection window’.
• Added option: to save current settings for reinforcement colour palette in the modes of discrete values and uniform numerical values of colour palette.
• Modified option: to present dialog boxes outside the working window of the program when the dual screen mode is used.
• Enhanced option: to edit and visualize surface loads on solids.
• Clarified data about surface loads imported from SAPFIR-Structures module.
• Clarified option: to generate and visualize mosaic plots of heat loads on plates.
• Enhanced option: to generate diagrams of output data along arbitrary section in plates, diagrams are updated automatically when mosaic/contour plots of output data are changed.
• Fixed minor error: when preview analysis results for DCF calculation for super-elements problems.
• Enhanced option: to visualize analysis results for load on fragment by design combinations of loads (DCL); to visualize min and max values of displacements and loads on fragment by DCL for cases when number of specified DCL exceeds number of load cases.
• Restored option: to generate the DCL table (at initial stage) according to data about load cases defined previously for the DCF table.
• Restored option: to carry out stability analysis by separate forces if the DCL table is not defined.
• Enhanced option: to import projects from MONOMAKH-SAPR program to LIRA-SAPR through ÒÕÒ-format for description of design model.
• Enhanced option: to visualize the analysis results for reinforcement in bars (symmetric reinforcement, asymmetric reinforcement, circular reinforcement).
• Clarified option: to visualize mosaic plots for transverse reinforcement in plates when the values are visualized per 1 m2.
• Enhanced set of parameters that should be defined for documentation templates in order to automatically generate graphic and tabular documentation for all (or selected) load cases, design options, DCL, DCF, mode shapes, buckling modes, etc.
• Added option: account of specific/emergency loads in DCF analysis for punching shear contours.
• Fixed bug: when slenderness ratio for elements of trusses is calculated by SP 16.13330.2011.
• Corrected option: filter by RC materials.
• Fixed bug: when defining materials for RC.
• Fixed bug: when generate drawings exported from BEAM and COLUMN systems.
• Modified option: tables of analysis results (defined for selected nodes) for punching shear contours by DCL.
• Modified option: to import design models from STARK ES through SLI-format.
• Updated Help system: Report Book options are described in detail.
A number of other minor inaccuracies are corrected.
SAPFIR-Structures
• Properties of previously selected object for piles may be inherited; mirror copy and rotation options for single piles are available.
• Generation of load across the area from the library objects is enhanced.
• Several loads that belong to the same or different load cases may be united into block. When visualization filter is set for load cases, then loads included into block will be presented according to active load case.
• Modified option: to save linear loads and surface loads (generated with the Loads tool) to s2l format.
• Added option: check of the DCL table contents when exporting to VISOR-SAPR for examples when load cases were added after generation of DCL table.
• Enhanced snap to objects of dxf background. Snap to intersections of lines located within the same layer.
• Added option: for plate elements (wall, slab, surface), it is possible to present analytical model in colour of material.
• Added option: to edit properties, in particular properties of analytical model (loads and boundary conditions), for the group of stairs of the same type.
• Fixed bug: search for intersections between elements used for a snap and new elements (for the ‘Generate fragment in SAPFIR’ command in LIRA-SAPR program).
• Mirror copy option is available for grid lines.
• Enhanced work in the ‘Grid lines’ dialog box.
SAPFIR-RC
• Enhanced options in the ‘Dowels’ mode:
- to generate dowels for columns with asymmetric snap of section contour relative to base point of the column;
- to save the specified length and direction of hooks when you change method of displacement for dowels relative to vertical rebars;
- to edit nodes of dowels in groups.
• Added option: to put notation for elevation marks on patterns of reinforcement for columns, walls and beams.
• Enhanced option: to divide zone of reinforcement in wall into two. When you move the pointer, division line is presented automatically. The program checks wether division line is located within the working area of reinforcement.
• Enhanced option: ‘Rebars’ command on the reinforcement pattern for wall.
• Added option: check whether columns interpreted as loads are not present in the list when you create unification groups.
• Fixed bug: presentation of spacers (OSp1) in specification of reinforcement for slab on the sheet of drawing.
• Added option: to conveniently and easily change the building code for the rolled sheet and class of technological reinforcement applied for spacers.
• Modified option: for views with option ‘View for results’, method for displaying notations included into block.
SAPFIR-Structures
In material properties of SAPFIR, there is new option to assign design parameters that will be considered as input data for analysis of reinforcement in VISOR-SAPR module. These parameters are assigned automatically to structural elements according to material properties. Later the user could modify design parameters for every structural element separately.
New ‘Load cases’ dialog box that includes Load case editor, tables of input data for DCL and DCF. On the ‘Edit load cases’ tab the user could generate a set of load cases, assign the type and subtype of safety factors, duraction factor, mutual exclusion, unification, accompanying and sign variability. Data from the ‘Edit load cases’ tab is used to automatically generate combinations of loads (DCL and DCF). DCL and DCF tables are generated according to building codes SP 20.13330.2011, DBN B.1.2 - 2:2006, SNIP 2.01.07 -85*. All combinations are generated based on the data from the ‘Rules for combinations’ dialog box that contains a set of coefficients and formulas to generate both normative and user-defined combinations. Above-mentioned parameters may be saved to file and used in other projects.
New tool to define earthquake load according to the following building codes: SP 14.13330.2014, DBN B.1.1-12:2006 and SNIP II-7-81*. All parameters for the earthquake load are defined in the same dialog box:
- direction of earthquake load;
- units of magnitude;
- soil category;
- number of mode shapes;
- type of structure;
- all appropriate coefficients of the building code in use;
- load cases that generate masses for earthquake analysis.
These parameters are used in earthquake analysis in VISOR-SAPR module and no additional data is required.
The user could define several earthquake load cases in different directions.
Detailed analytical model of the stairs may be generated. Stairs from RC are simulated with plates while stairs with saddles and strings are simulated with bars of the specified section. Dead and live loads may be defined to the load-bearing elements of stairs. It is also possible to define boundary conditions at places where these elements intersect the framework of a building.
Additional lines and points of triangulation for slabs may be defined and modified at the stage of model generation.
New object ‘Pile’ is presented: vertical bar of the specified cross-section; its stiffness is defined as bearing capacity and settlement. It is possible to arrange either single piles or pile groups in an ordinary or staggered type – along the line (strip) or inside arbitrary contour. Parameters for the pile group (e.g. step, number, contour line, etc.) may be modified. Location of piles is taken into account during triangulation of foundation slab in design model. When piles are transferred to VISOR-SAPR module, appropriate FE type is assigned to them.
Option to save *.spf file for previous versions of SAPFIR program: SAPFIR 2015, 2014 and 2013.
Enhanced functionality for the ‘Grid lines’ tool. The user could define arbitrary name for the line in the grid, automatically modify dimension of mark in case of long name. With the ‘Explode block’ command, grid of lines may be transformed to the set of single lines.
Grid lines may be visualized at the level of active storey. In parameters for line it is possible to define the storeys where the line should be visualized.
For columns and beams, snap point of the section may be chosen graphically.
Enhanced diagnostic functions for the generated model. The user could choose appropriate check criteria for certain objects.
More options for detailed design documentation: list of sheets is generated automatically, documents may be printed to non-standard format, sequence of sheets in a set may be defined, renumbering of sheets, automatic links to joints according to actual numbers of sheets.
Modified dialog boxes where you could show/hide and select elements. They include only types of elements available in the active view.
Enhanced tools to edit the model:
- to make fillet and chamfer of the specified radius for defined corners in selected object;
- to dynamically display the box where the user could input distance up to the next vertix from the previously defined one;
- to move common vertix that belongs to several objects;
- to select several segments in the slab and assign common properties for support, etc.;
- to move the vertix of selected object without the need to activate appropriate command.
SAPFIR-RC
New program mode ‘Dowels’. For foundation slabs, pattern of dowels for vertical elements (columns and diaphragms) may be generated on the basis of concepts developed at the stage of design of these elements (in SAPFIR-RC Column, SAPFIR-RC Diaphragm modules) that are supported on foundation slab. Specifications for reinforcement dowels are presented, drawings of joints and their location on plan of foundation slab are generated.
Cross-section of reinforcement in slab may be presented with notations for location of rebars of main and additional reinforcement, technological reinforcement and (for foundation slabs) dowels to vertical elelements (columns, diaphragms).
New tool to unify reinforcement in slabs. This tool enables the user to evaluate and compare analysis results for reinforcement in identical slabs in order to find out slabs with similar reinforcement pattern and unite them into unification groups. When unification groups are generated, superposed contour lines for area of reinforcement in several selected slabs may be visualized simultaneously. Numerical values are presented in the table. The common mark is assigned to slabs in the same group. To design the prototype of unification model, the envelope line with analysis results for reinforcement is generated. It displays max values for area of reinforcement obtained in analysis of all samples of slabs with this mark.
Integration with other software products – realization of BIM technology
SAPFIR analytical model may be exported to STARK-ES positional model that contains data about element type (wall, column, beam, slab), storey that the element belongs to, model geometry, materials, stiffness parameters and loads.
New technology ‘Tekla Structures — LIRA-SAPR — Tekla Structures’ is introduced. It allows the user to generate the model in Tekla Structures, then import it to LIRA-SAPR, carry out static and dynamic analyses, select sections of elements and reinforcement, export analysis results to Tekla Structures and further obtain detail drawings (for reference, in Russian - drawings KMD) and CNC.
For detailed description, see the following link: Integration: Tekla Structures — LIRA-SAPR
Unified graphical user interface (GUI)
New option to work with several tables of DCF and DCL within the same problem. The user is provided with the simple and convenient tool to carry out multi-variant analyses and comparative evaluation of analysis results obtained for different building codes (traditional SNIP and updated SP), by varying logics to consider accompanying and mutual exclusion of load cases, applying different sets of combination coefficients. There are also more ways to generate design options. The user could select appropriate DCF or DCL table for certain design option and define different material properties as well.
Options of graphical visualization of analysis results are dramatically enhanced.
- For displacements and forces, it is possible to preview extreme (min and max) values selected from all defined load cases or DCL. Obtained envelope lones are presented as diagrams and mosaic plots.
- Graphical presentation of analysis results for DCF calculation. Design and normative DCF (complete and live) are presented on the model as mosaic plots and envelope diagrams of extreme values.
- For analysis of RC structures with ‘NL Engineering’ system, it is possible to generate mosaic plots of integral stiffness parameters for bars and plates.
No limitations on possible number of specified load cases as it was in previous versions (not more than 96 load cases when DCF and METEOR systems are used, otherwise not more than 300 load cases). These limitations are removed for all types of analyses.
New option to compute rigidity centre and centre of gravity for the fragment (storey). The user could quickly and visually evaluate potential for torsional vibrations in dynamic (earthquake) loads and modify arrangement of design model, if required.
More options to select objects on design model. Now the user could select nodes and elements by clicking (or dragging ‘selection window’ across) appropriate ranges on colour palette, construction lines and levels.
Information presented in the dialog boxes about selected node/element is considerably updated and expanded. In the mode of analysis results, it is possible to evaluate information about displacements or forces obtained in any of computed DCF and/or DCL tables.
New option to compute deflections for bars and plates relative to node with zero relative displacement (specified by the user on the model). Diagram of deflections is presented in a separate window and may be saved to the Report Book.
No limitations on number of nodes when you generate perfectly rigid bodies (PRB). In previous versions, one PRB could include not more than 200 nodes.
New ‘Characteristic DCL’ method. It enables the user to considerably reduce time during check and selection of reinforcement and steel sections. The efficiency of this method is observed with increase in number of specified DCL. If number of DCL is more than 100, time of analysis is reduced in 10 or more times.
New technology for defining materials for RC structures. When you define new parameters, it is possible to preview and evaluate all previously defined data for concrete, reinforcement and design requirements. There is common interface to define material properties in VIZOR-SAPR and SAPFIR-Structures modules.
Enhanced technology for generation and editing surface loads. Data connection between parameters of surface loads and parameters of appropriate groups of concentrated loads. The name is assigned to every surface load. This name may be modified later. It is possible to preview surface loads and modify its intensity. When you visualize mosaic plots of distributed loads, surface loads are presented with values of its intensity.
Documentation is generated in less time due to templates.
New tools for presentation of analysis results in tabular form.
Drag and drop functionality is used to organize elements in the Report Book.
All new features and enhanced modes of the program are presented in the updated ribbon and standard interfaces and have context-sensitive help.
Document system: Report Book
For detailed description, see the following link: LIRA-SAPR 2016 - Report Book: new features and options
FEA-solver
Speedup factorization (decomposition) in matrix of system equations. Acceleration in 8 times is observed in tested problems.
Static and dynamic analyses with account of change in stiffness values for bar and plate finite elements. This change relates to the axial force in bars and membrane group of forces in plates.
Enhanced procedure for generation of consistent mass matrix.
Account of PRB is enhanced in dynamic analysis.
Enhanced analysis of structures that include bars and plates with one-way subgrade moduli.
DBN B.1.1 — 12:2014 'Construction in seismic areas' is supported.
No limitations on number of load cases.
No limitations on number of loads in perfectly rigid body (PRB).
Analysis of reinforced concrete (RC) structures
In plate elements, it is possible to analyse reinforcement using different concrete covers for differently directed reinforcement.
For plate elements in compression (wall, diaphragm), reinforcement may be analysed with account of slenderness in vertical elements (effective lengths are defined in the similar way as for bar elements in ‘Materials’ section).
Analysis of steel structures
Analysis of support and intermediate joints in rectangular pipes according to SP 16.13330.2011. 13 types of joints are presented.
Analysis of high strength bolted connections between beams and columns.
SOIL
New option to simulate pile with the chain of vertical bars. Vertical and horizontal stiffness of soil are simulated with finite elements located at nodes of this chain. The stiffness values are computed automatically according to properties of 3D soil model. Then you will be able to obtain diagrams of forces N, My, Mz, Qy, Qz along the whole length of pile and analyse reinforcement in pile. Upper bar in the chain – pile head – may simulate hinge or rigid support of foundation slab on pile.
The program takes into account mutual integration of piles according to method presented in the ‘Analysis of settlement of pile bunch’ chapter, sect. 7.4.4, 7.4.5 SP 24.13330.2011 'Pile foundations'.
The program automatically generates FEs that are located along the edges of the specified soil model and simulate the soil beyond its limit. Stiffness of finite elements is calculated automatically according to adjacent layers of the generated soil model.
For detailed description, see the following link: Simulation of pile with the chain of vertical elements
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METEOR
Enhanced options in METEOR system. With integrated problems, you could design not only by DCF but by characteristic DCL as well.
SAPFIR-Structures
In material properties of SAPFIR, there is new option to assign design parameters that will be considered as input data for analysis of reinforcement in VISOR-SAPR module. These parameters are assigned automatically to structural elements according to material properties. Later the user could modify design parameters for every structural element separately.
New ‘Load cases’ dialog box that includes Load case editor, tables of input data for DCL and DCF. On the ‘Edit load cases’ tab the user could generate a set of load cases, assign the type and subtype of safety factors, duraction factor, mutual exclusion, unification, accompanying and sign variability. Data from the ‘Edit load cases’ tab is used to automatically generate combinations of loads (DCL and DCF). DCL and DCF tables are generated according to building codes SP 20.13330.2011, DBN B.1.2 - 2:2006, SNIP 2.01.07 -85*. All combinations are generated based on the data from the ‘Rules for combinations’ dialog box that contains a set of coefficients and formulas to generate both normative and user-defined combinations. Above-mentioned parameters may be saved to file and used in other projects.
New tool to define earthquake load according to the following building codes: SP 14.13330.2014, DBN B.1.1-12:2006 and SNIP II-7-81*. All parameters for the earthquake load are defined in the same dialog box:
- direction of earthquake load;
- units of magnitude;
- soil category;
- number of mode shapes;
- type of structure;
- all appropriate coefficients of the building code in use;
- load cases that generate masses for earthquake analysis.
These parameters are used in earthquake analysis in VISOR-SAPR module and no additional data is required.
The user could define several earthquake load cases in different directions.
Detailed analytical model of the stairs may be generated. Stairs from RC are simulated with plates while stairs with saddles and strings are simulated with bars of the specified section. Dead and live loads may be defined to the load-bearing elements of stairs. It is also possible to define boundary conditions at places where these elements intersect the framework of a building.
Additional lines and points of triangulation for slabs may be defined and modified at the stage of model generation.
New object ‘Pile’ is presented: vertical bar of the specified cross-section; its stiffness is defined as bearing capacity and settlement. It is possible to arrange either single piles or pile groups in an ordinary or staggered type – along the line (strip) or inside arbitrary contour. Parameters for the pile group (e.g. step, number, contour line, etc.) may be modified. Location of piles is taken into account during triangulation of foundation slab in design model. When piles are transferred to VISOR-SAPR module, appropriate FE type is assigned to them.
Option to save *.spf file for previous versions of SAPFIR program: SAPFIR 2015, 2014 and 2013.
Enhanced functionality for the ‘Grid lines’ tool. The user could define arbitrary name for the line in the grid, automatically modify dimension of mark in case of long name. With the ‘Explode block’ command, grid of lines may be transformed to the set of single lines.
Grid lines may be visualized at the level of active storey. In parameters for line it is possible to define the storeys where the line should be visualized.
For columns and beams, snap point of the section may be chosen graphically.
Enhanced diagnostic functions for the generated model. The user could choose appropriate check criteria for certain objects.
More options for detailed design documentation: list of sheets is generated automatically, documents may be printed to non-standard format, sequence of sheets in a set may be defined, renumbering of sheets, automatic links to joints according to actual numbers of sheets.
Modified dialog boxes where you could show/hide and select elements. They include only types of elements available in the active view.
Enhanced tools to edit the model:
- to make fillet and chamfer of the specified radius for defined corners in selected object;
- to dynamically display the box where the user could input distance up to the next vertix from the previously defined one;
- to move common vertix that belongs to several objects;
- to select several segments in the slab and assign common properties for support, etc.;
- to move the vertix of selected object without the need to activate appropriate command.
SAPFIR-RC
New program mode ‘Dowels’. For foundation slabs, pattern of dowels for vertical elements (columns and diaphragms) may be generated on the basis of concepts developed at the stage of design of these elements (in SAPFIR-RC Column, SAPFIR-RC Diaphragm modules) that are supported on foundation slab. Specifications for reinforcement dowels are presented, drawings of joints and their location on plan of foundation slab are generated.
Cross-section of reinforcement in slab may be presented with notations for location of rebars of main and additional reinforcement, technological reinforcement and (for foundation slabs) dowels to vertical elelements (columns, diaphragms).
New tool to unify reinforcement in slabs. This tool enables the user to evaluate and compare analysis results for reinforcement in identical slabs in order to find out slabs with similar reinforcement pattern and unite them into unification groups. When unification groups are generated, superposed contour lines for area of reinforcement in several selected slabs may be visualized simultaneously. Numerical values are presented in the table. The common mark is assigned to slabs in the same group. To design the prototype of unification model, the envelope line with analysis results for reinforcement is generated. It displays max values for area of reinforcement obtained in analysis of all samples of slabs with this mark.
ESPRI program in English presents: interface and reports for the whole software package (all 77 modules), help systems are now available for 72 modules.
Punching shear
New module ‘Punching shear analysis (Belarus)’ is introduced. The module enables you to carry out punching shear analysis of rectangular slabs according to SNB 5.03.01-02 (Belarus). The presence of column capitals is considered. 8 design situations are considered in 5 possible variants.Masonry and masonry reinforcing
The building code SP 15.13330.2012 ‘Masonry and masonry reinforcing’ is supported in the following modules:- Brick pier,
- Brickwork in local compression,
- Brick pier in tension.
Modifications to the following modules
- Sections of RC elements;
- Effective lengths of steel structure elements;
- Settlement of equivalent footing;
- Beaing capacity of piles by field test results;
- Combined piled-raft foundation;
- Wind loads.
• DCF calculation: modified alorithm for mutual exclusion of load cases by assemblage stages for problems of ASSEMBLAGE system;
• DCL calculation: new option to make DCL calculation even if there are empty load cases (with no loads) in the specified list of load cases;
• when you unite group of bars located in succession into one finite element, it is possible to consider nodal loads from intermediate nodes and transform them into local loads on bars;
• distributed loads on edge of plate FE are checked so that incorrect load application to the edge with non-existent number is forbidden, e.g. the load on the 4th edge when quadrilateral plate FE is divided into two triangular FE;
• text tables for punching shear reinforcement – correct output data in case number of design options was modified;
• steel table of square shapes according to GOST 30245-2012 is added to the database of steel tables and several slignt modifications.
SAPFIR-Structures
• Enhanced option to save elements to the project library in order to use them in this project or other ones.
• When you create load it is possible to fix it to the plane of generation (option ‘to 0 LCS”) (Fig.1).
• Sheets dialog box: new commands to modify the ordinal number of the drawing.
SAPFIR-RC
• On the view of beam reinforcement you could hide support elements (columns, walls).
• For selected parts of reinforcement it is possible to automatically present their dimensions and location relative to grid.
• Enhanced edit options for oblique-angled parts of reinforcement.
Several general modifications that improve stable operation of the program: edit options for punching shear contours, import of IFC files (Renga); option to crop the lines; export of loads to VISOR-SAPR module.
New features and options in LIRA-SAPR 2015 R2
ESPRI program in English presents: interface and reports for the whole software package (all 76 modules), help systems for 66 modules. ‘Masonry and masonry reinforcing’ chapter is now available in English.
Foundations and beddings
New module ‘Combined piled-raft foundation’ is introduced. The module enables you to calculate settlement for combined piled-raft (CPR) foundation and parts of load taken by the slab and piles.Punching shear
New module ‘Punching shear analysis by Eurocode’ is introduced. Punching shear analysis of rectangular slabs according to EN 1992-1-1 (Eurocode 2), DBN V.2.6-98:2009 and DSTU B V.2.6-156:2010 (Ukraine), CH PK EN 1992-1-1:2004/2011 (Kazakhstan). Capitals of columns are taken into account. 8 design situations (schematic presentations) in 4 possible variants are considered.Sheet piling
In this module you could now define number of iterations when calculating stress strain state of soil and anchors.Soil
Module is modified with account of water saturation of soil above the load application level.New features and options in SAPFIR-3D 2015
New features and options in LIRA-SAPR 2015
• restored: import from *.dxf and Revit;
• fixed bug: when load contours are united with openings in soil model;
• added: analysis according to serviceability limit states by SP 52-101-2003, SP 63.13330.2012 in plate FE by Wood theory;
• enhanced: analysis according to serviceability limit states by SP 63.13330.2012 for bars;
• enhanced: DCF calculation (mutual exclusion, accompanying, etc.).
• SAPFIR-Structures, modified: algorithm for mesh triangulation (division of PRB contour according to triangulation step);
• SAPFIR-Structures, fixed bug: duplication of bars in VISOR-SAPR if they are intersected with more than one plate at the same time;
• SAPFIR-Structures, modified: option to copy premises with base point;
• SAPFIR-Structures, enhanced: import files of *.liraKM format;
• SAPFIR-Structures, fixed bug: transferring properties for analytical models from Architecture mode to Structures mode;
• SAPFIR-Structures, enhanced: export of *.dxf files;
• A lot of very constructive feedback from our customers about all systems of LIRA-SAPR 2014 are considered.
• added: option to export projects from REVIT 2015;
• restored: option to import/export design models between LIRA-SAPR and STARK-EC through *.SLI file;
• enhanced: installation procedure for KM-SAPR module to AutoCAD version 14 or later available on computer;
• optimized algorithms for DCF (design combinations of forces) calculation by several criteria; clarified procedures of mutual exclusion and accompanying for temporary load cases included in DCF;
• modified: algorithm for DCF selection for punching shear contours;
• clarified: calculation of algorithms for RC elements with NonLinear Engineering;
• fixed bug: in the Model nonlinear load cases dialog box, several cases when there was an error message when the dialog box is started;
• clarified: calculation of crack parameters in physically nonlinear analysis of RC elements;
• enhanced: automatic check in case of complete recalculation of the problem started from Design mode using design stiffness values saved earlier;
• added: the title bar of the program now contains release number and information about 64-bit mode;
• modified: in the Perfectly rigid body and Coupled degrees of freedom (DOF) dialog boxes, the List for fragment check box is selected by default;
• restored: option to use defined time interval in the settings for AutoSave procedure;
• added: automatic check and synchronization for design options defined for separate super-elements;
• enhanced: printing for standard tables of results for selected super-elements presented as scheme;
• added: visualization for all construction lines and levels for problems imported from SAPFIR-Structures module;
• fixed: occasional failure in starting SAPFIR-Structures module when it is activated from VISOR-SAPR module (Generate fragment in SAPFIR);
• for projects imported from SAPFIR-Structures module, a set of default materials is generated according to building codes for RC structures;
• modified: in SOIL system, calculation of subgrade moduli C1 by the second method in case there are united loads of concentric shape;
• clarified: in VISOR-SAPR (Analysis of RC structures mode) and LARM-SAPR modules, input material properties accepted by default for the following building codes: codes of RF (SNIP 52-01-2003 and SP 63.13330.2012), Eurocode (EN 1992-1-1:2004 Eurocode2), codes of Kazakhstan (ÑÍ ÐÊ EN 1992-1-1:2004/2011);
• fixed: in VISOR-SAPR (Analysis of RC structures mode) and LARM-SAPR modules, user feedback about reinforcement in bar elements according to SP 63.13330.2012 (with no account of design requirements).
• added: diagnostics for state of analysis in LARM-SAPR module;
• modified: change of documentation languages in LARM-SAPR module;
Updated Help system for LIRA-SAPR 2014 R3.
Engineering Assistance Package (ESPRI) is now available in English
We are pleased to offer you ESPRI program in English: interface and reports for 69 modules out of 74, help systems for 44 modules. To change the language for interface, use the system menu of the program located in the upper-right corner of a window.
Reinforced concrete structures
The chapter contains new module Composite steel and concrete columns (strength analysis for sections of composite steel and concrete columns of rectangular section). Calculation is made according to deformation model of reinforced concrete with account to bilinear, trilinear and nonlinear diagrams. The following building codes are supported: SP 63.13330.2012, SP 16.13330.2011, DBN V.2.6-160:2010, DBN V.2.6-98:2009, DBN V.2.6-135(163):2010.
Foundations and beddings
Module Bearing capacity of piles by field test results presents new options for calculation:
- drilled piles at probe point;
- driven piles at test point of model pile;
- driven piles at test point of probe pile;
- dynamic pile tests.
Punching shear for rectangular contour
Account of moments is improved. Help system is updated.