Тест 2.3 Reinforced concrete beam under distributed load
Verification of the LIRA-FEM software / Тест 2.3 Reinforced concrete beam under distributed load / Analytical solution: Central Research Institute of Industrial Buildings Gosstroy of the USSR. Manual for the design of concrete and reinforced concrete structures made of heavy and lightweight concrete without prestressing of the reinforcement (to SNiP 2.03-84), Moscow, 1986, p. 139.
Analytical solution: Analytical solution: C.N.I.I. of N.I.I.J.B Gosstroy of the USSR. Design Guide for Concrete and Reinforced Concrete Structures of Heavy and Light Concrete without Reinforcement Prestressing (to SNiP 2.03-84), Moscow, 1986, p. 139.
Geometry:
 |
b = 1 м; h = 0.12 м; h0 = 0.105 м |
Material characteristics:
B25 grade heavy concrete: Еb = 2.7 х 104 МPа, Rbt,ser = 1.6 МПа, ν = 0.2.
Stretch reinforcement of the class А-II: ЕS = 2.1 х 105 МПа;
armature area: AS = 393 мм2.
Boundary conditions: Free support.
Loads: Uniformly distributed load q = 7 кН/м.
CALCULATION RESULTS:
|
Point |
The desired value |
Analytical solution |
calculation results (LIRA) |
Uncertainty,% |
|
l/2 |
Deflection δ, мм |
13,5 |
13,9493 |
3,33 |
|
М, кНм |
8,4 |
8,40875 |
0,1 | |
|
Limit torque М, тм |
1,145 |
1,15756 |
1,1 |
Comments 1