RC Expert

Reinforced Concrete Expertise is a LIRA-FEM system designed to perform checks of reinforced concrete structures for strength, serviceability, and detailing requirements. The system provides an additional analysis technology for reinforced concrete structures, operating in parallel with the existing tools in LIRA-FEM and LIRA-CAD, and is aimed at meeting the needs of a wide range of users, including designers, experts, and researchers.

Reinforced Concrete Expertise

Display of structural inspection results: frame
The Reinforced Concrete Expertise system automates RC verification with arbitrary reinforcement layout in accordance with DBN V.2.6-98:2009 and EN 1992-1-1:2004/A1:2014. You can flexibly configure checks, load combinations, and calculation parameters, and analyze each computation step using tracing.

Arbitrary reinforcement layout and the system purpose

The geometry of the structural element and the precise placement of reinforcement inclusions
The purpose of the system is to provide a set of checks according to various design codes, with flexible configuration of calculation algorithm details and input data, as well as access to detailed result information, including calculation tracing.

An arbitrary reinforcement layout implies not only flexible spatial positioning, but also the ability to assign different design properties to individual reinforcing bars or groups - for cases involving defects, corrosion, strengthening during rehabilitation, the use of composite reinforcement, and similar scenarios.

Calculation process setup

Setting parameters for design materials
  • Select the set and order of checks, configure procedures, and account for optional code provisions.
  • Select elements to be checked and choose the active load combinations for each check.
  • Override structural parameters and coefficients with user-defined values to control the calculation process.
Video: Reinforced Concrete Expertise system

Calculation tracing (HTML report)

Displaying the trace of the analysis as an HTML report

For in-depth analysis of results, calculation tracing is used: by following the tree of intermediate values, the process of obtaining the result from the input data can be traced, with the applied calculation formulas displayed. In a web browser, the report is interactive-clicking on a value reveals the formula and the list of related parameters down to the value of interest.

Transparency of calculation procedures

is ensured by detailed explanations of the methods and assumptions used in the computations. These explanations are integrated directly into the user interface and the help system, enabling you to verify and interpret results without referring to external sources.

Implemented checks in LIRA-CAD 2025 R2

Selection of a set of effective combinations of forces
A bar (beam/column) structural element with a rectangular or circular cross-section:
  • Check of normal cross-sections under axial force and bending moments using a nonlinear deformation model.
  • Crack resistance check of normal cross-sections.
  • For walls and slabs: normal cross-section strength and crack resistance checks per DBN and EN 1992-1-1.

Development plans

Results of structural inspection: pylon
In the next releases, the system is planned to be extended with checks for other internal force components, as well as checks based on the ultimate forces method.

Evaluate the software

If you have any doubt, download the Demo version and evaluate the program or contact our Support Team for more details.

Demo version or Request online presentation