Experimental Study on Damage and Degradation of Structure Plane in Rock Mass under Cyclic Shear Load

Table 3

Groups and numbers of samples.

Group	Undulating angle (°)	No. of samples	Serial number
1	15	5	A-15-1~A-15-5
2	30	5	B-30-1~B-30-5
3	45	5	C-45-1~C-45-5
4	60	5	D-60-1~D-60-5