Numerical Simulation of Damping Performance of Elastically Supported Underground Arch Structures Subject to Penetration and Explosion

Table 8

Peak equivalent stress values at the study points.

K	Vault (MPa)	Spandrel (MPa)	Arch foot (MPa)	Wall foot (MPa)
100	13.26 (48.38%)	20.81 (8.85%)	11.52 (68.35%)	1.33 (92.95%)
1000	13.34 (48.07%)	20.90 (8.45%)	13.19 (63.76%)	5.85 (69.00%)
3000	13.98 (45.58%)	20.95 (8.23%)	19.99 (45.08%)	9.91 (47.48%)
5000	15.50 (39.67%)	20.91 (8.41%)	24.48 (32.75%)	11.60 (38.53%)
10000	17.30 (32.63%)	20.92 (8.37%)	29.17 (19.86%)	14.21 (24.70%)
15000	18.68 (27.29%)	20.82 (8.80%)	29.16 (19.89%)	15.44 (18.18%)
20000	18.79 (26.86%)	20.89 (8.50%)	30.32 (16.70%)	16.33 (13.46%)
Rigid support	25.69 (0)	22.83 (0)	36.40 (0)	18.87 (0)