Vertical Seismic Effect on the Seismic Fragility of Large-Space Underground Structures

Table 7

Stress and damage factor versus plastic strain of concrete.

Plastic strain	Stress (MPa)	Damage variable
Compression
0.0000E + 00	18.026	0.00000
2.9233E − 05	21.576	0.01439
1.2438E − 04	29.746	0.04864
2.0932E − 04	32.617	0.07492
3.2177E − 04	34.594	0.10661
6.2346E − 04	36.052	0.18124
8.3638E − 04	35.380	0.22836
1.0796E − 03	33.723	0.27834
1.3385E − 03	31.557	0.32727
1.8656E − 03	26.920	0.41454
2.6240E − 03	21.018	0.51496
3.7809E − 03	14.657	0.62447
6.2920E − 03	9.087	0.73452
9.2686E − 03	5.002	0.83782
Tensile
0.0000E + 00	1.608	0.00000
1.3586E − 05	3.131	0.03406
2.3198E − 05	3.215	0.05538
4.0877E − 05	3.037	0.09857
6.2300E − 05	2.738	0.15603
1.0436E − 04	2.165	0.28146
1.7538E − 04	1.444	0.49663
2.6383E − 04	0.951	0.69271
3.4435E − 04	0.716	0.79632
4.7258E − 04	0.517	0.88134
5.9794E − 04	0.412	0.92187
7.2209E − 04	0.346	0.94431
9.0721E − 04	0.283	0.96303
1.0917E − 03	0.242	0.97345