Creep Investigation on Shale-Like Material with Preexisting Fissure under Coupling Temperatures and Confining Pressures

Table 5

Creep strain rate of each stage at different confining pressures.

σc (MPa)	Creep strain rate (×10^−3/h)
	First stage	Second stage	Third stage	Fourth stage
0	0.27	0.24	0.26	0.29
1	0.32	0.28	0.22	0.60
3	0.38	0.31	0.35	0.95
5	0.42	0.35	0.45	0.89
7	0.48	0.50	1.21	—