Dynamic Response and Fatigue-Life Analysis of High-Speed Railway Tunnel Base with Defects

Table 5

Comparison of vertical dynamic stress and acceleration attenuation at different depth-monitoring points under three conditions.

Monitoring point	Depth (m)	Attenuation of vertical dynamic stress amplitude (%)			Attenuation of vertical acceleration amplitude (%)
		Working condition 1	Working condition 2	Working condition 3	Working condition 1	Working condition 2	Working condition 3
B	0.22	1.55	41.07	47.13	0.00	91.17	91.73
C	0.52	20.15	55.77	63.97	24.50	92.76	93.94
D	1.122	38.83	73.41	81.43	37.79	94.27	95.34
E	1.733	49.56	83.86	90.92	49.50	95.24	96.30