Experimental Study on Mechanical Properties of Gas Storage Sandstone under Water Content

Table 2

Mechanical parameters of sandstone under different confining pressures.

σ3 (MPa)	Water content (%)	E (GPa)	εmax/10^−3
0	2.31	2.61	2.59
10	2.31	8.79	5.85
20	2.31	8.17	7.16
30	2.31	11.53	8.81
45	2.31	14.10	10.81