Experimental Study on the Brittle-Ductile Response of a Heterogeneous Soft Coal Rock Mass under Multifactor Coupling

<div>Stress-strain law of the triaxial test under different confining pressures: (a) 2 MPa confining pressure test and (b) 4 MPa confining pressure test results and failure modes of specimens.</div>

Geofluids

fig5

Figure 5

Figure 5: Experimental Study on the Brittle-Ductile Response of a Heterogeneous Soft Coal Rock Mass under Multifactor Coupling 