Study on Antiseismic Effect of Different Thicknesses of Shock Absorption Layer on Urban Shallow Buried Double Arch Rectangular Tunnel

Table 5

Maximum shear stress and antiseismic effect.

Condition	Maximum shear stress (Pa)	Antiseismic effect (%)
1	4.781 × 10^6	—
2	4.627 × 10^6	3.22
3	4.563 × 10^6	4.56
4	4.486 × 10^6	6.17