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

Table 4

Creep strain rate of each stage at different temperatures.

T (°C)	Creep strain rate (×10^−3/h)
	First stage	Second stage	Third stage	Fourth stage
20	0.22	0.07	0.05	0.11
30	0.23	0.05	0.07	0.11
40	0.24	0.07	0.07	0.12
50	0.26	0.13	0.13	0.14
60	0.27	0.19	0.25	0.21