Shear Slip Instability Behavior of Rock Fractures under Prepeak Tiered Cyclic Shear Loading

Figure 13

T-δ curves for sample TJ-1 at the 8th cycle. (a) Curve of the full loading-unloading process. (b) Enlarged curve around loading point. (c) Enlarged curve around unloading point.

(a)

(b)

(c)