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

Table 3

Strength of limestone with different post-peak softening degrees.

/MPa	/MPa
	=0	=0.2	=0.4	=0.6	=0.8	=1.0
0	64.8	56.0	44.9	31.8	19.1	4.1
10	147.1	142.5	131.7	116.3	97.8	79.8
20	205.2	188.0	165.7	144.4	133.6	130.1
30	258.1	243.4	226.4	207.4	185.4	176.2
40	295.0	284.1	268.5	249.6	231.8	212.1
50	330.2	317.4	298.1	279.2	261.0	250.2