Numerical Analysis of the Influence of Foundation Pit Blasting on a Nearby Metro Tunnel

Table 5

Stress growth rates of linings for different conditions (unit: %).

Condition	Z-direction stress		X-direction stress
	Left	Right	Top	Bottom
1st condition	0.369	0.354	0.447	0.277
2nd condition	0.458	0.438	0.477	0.374
3rd condition	0.593	0.568	0.632	0.460
4th condition	0.596	0.565	0.643	0.463