Experimental Study on Anisotropic Strength and Deformation Behavior of a Coal Measure Shale under Room Dried and Water Saturated Conditions

Figure 11

The differential stress-volumetric strain curves of dry and saturated shale samples of various angles, , tested under different confining pressures.

(a) °

(b) °

(c) °

(d) °

(e) °

(f) °

(g) °