Experiment and Simulation on the Anticollision Performance of a New Corrugated Steel Protection System for Bridge Piers

Table 2

Material characteristic parameters.

Material	LS-DYNA material model	Density	Young’s modulus	Poisson’s ratio	Yield stress
Corrugated steel	MAT_PIECEWISE_LINEAR_PLASTICITY	7850 kg/m³	176 GPa	0.31	390 MPa
Ordinary steel	MAT_PIECEWISE_LINEAR_PLASTICITY	7850 kg/m³	206 GPa	0.31	235 MPa
High-strength bolts	MAT_SPOTWELD	7850 kg/m³	206 GPa	0.30	640 MPa
Pendulum	MAT_PLASTIC_KINEMATIC	3000 kg/m³	206 GPa	0.31	1200 MPa
Laboratory floor	MAT_RIGID	2600 kg/m³	34.5 GPa	0.2	—