Research Article

Study on Stress Evolution and Crushing Behavior of Jointed Rock Mass under Confining Pressure and Joint Materials

Figure 18

Failure morphology of joint specimen under confining pressure.
(a) The impact pressure is 0.2 MPa, and the confining pressure is 3, 6, and 9 MPa, respectively
(b) The impact pressure is 0.5 MPa, and the confining pressure is 3, 6, and 9 MPa, respectively