Research Article
Stochastic Lattice Modelling of the Force-Displacement and Cracking Behaviour of the Steel Reinforced Tie
Table 1
Summary of properties of the deterministic and random models of the computational models of the ties.
| | Designation of the specimen | Moduli of elasticity for the 3D model in GPa | Effective moduli of elasticity for the 2D model in GPa | Stiffness of the spring Ks for the lattice model in MN/m | Critical tensile strains εcrit of the concrete | | Es for the steel reinforcement | Ec for of the concrete | for 2D reinforcement | for concrete | for the 2D reinforcement | for the concrete | Mean values | Coefficient of variation Cvar () |
| | | 3D tie model | 2D model and computational model |
| | Deterministic models |
| | DM1 | 210 | 9.954 | 7143.423 | 2333.284 | 2165.235 | 707.239 | 2.260·10−3 | 0 | | DM2 | 1.298·10−3 | | DM3 | 0.322·10−3 |
| | Spatially variable model |
| | RM1 | 210 | 9.954 | 7143.423 | 2333.284 | 2165.235 | 707.239 | 2.260·10−3 | 0.18 | | RM2 | 1.298·10−3 | | RM3 | 0.322·10−3 |
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