Study on Lateral Deformation and Failure Characteristics of Coal Based on Different Confining Pressures

Figure 4

Stress-strain curves under different confining pressures. Stress-strain curve under (a) 0 MPa confining pressure, (b) 3 MPa confining pressure, (c) 5 MPa confining pressure, and (d) 7 MPa confining pressure.

(a)

(b)

(c)

(d)