Research Article

Experimental Study on Mechanical Properties of Deep Buried Granite under Different Confining Pressures

Table 4

Peak strength of cyclic loading and unloading under different confining pressures.

Confining pressure (MPa)Peak strength (MPa)Axial peak strain (10āˆ’3 )

0171.85.9
15362.07.9
35425.312.3
45554.112.9
55585.914.1