Study on Mechanical Properties and Nonlinear Strength Model of Deep Water-Sensitive Rock in Xianglu Mountain Tunnel

Table 4

Strength of silty mudstone with different post-peak softening degrees.

/MPa	/MPa
	=0	=0.2	=0.4	=0.6	=0.8	=1.0
0	16.3	12.6	10.0	7.0	3.9	0.4
10	69.4	68.6	65.4	60.5	55.6	52.1
20	116.6	112.3	106.8	101.4	97.3	95.2
30	154.8	146.6	141.0	136.8	134.0	132.0
40	183.8	180.2	176.4	173.4	170.8	169.0
50	209.0	207.9	207.1	205.0	203.0	200.2