Dynamic Finite Element Analysis of a New Type Flexible Rock Shed under the Impact of Rock Block and Improving the Design

Table 2

Material parameters of the numerical model.

Parameter	Steel	Steel wire	Cable	Rockfall
Elastic modules (, MPa)	2.10e^5	1.77e^5	1.7e^5	3.0e^4
Tangent modulus (, MPa)	0	0	1.7e^4	0
Mean Poisson ratio	0.3	0.3	0.3	0.3
Density (kg/m^3)	7850	7850	7850	2500
Yield stress (, MPa)	500	1770	1020	—
Limited strain (, MPa)	0.15	0.03	0.05	—