Research Article
Study on Antiseismic Effect of Different Thicknesses of Shock Absorption Layer on Urban Shallow Buried Double Arch Rectangular Tunnel
Table 6
Minimum safety factor and antiseismic effect.
| Section number | Condition 1 | Condition 2 | Condition 3 | Condition 4 | Safety factor | Safety factor | Antiseismic effect (%) | Safety factor | Antiseismic effect (%) | Safety factor | Antiseismic effect (%) |
| S1 | 3.02 | 3.77 | 24.83%(↑) | 4.27 | 41.39%(↑) | 4.31 | 42.72%(↑) | S2 | 2.81 | 3.46 | 23.13%(↑) | 4.34 | 54.45%(↑) | 4.21 | 49.82%(↑) | S3 | 2.74 | 3.45 | 25.91%(↑) | 4.12 | 50.36%(↑) | 4.19 | 52.92%(↑) | S4 | 2.77 | 3.66 | 32.13%(↑) | 4.18 | 50.90%(↑) | 4.24 | 53.07%(↑) | S5 | 2.95 | 3.59 | 21.69%(↑) | 4.33 | 46.78%(↑) | 4.22 | 43.05%(↑) |
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