Research Article

Triaxial Creep Behavior of Red Sandstone in Freeze-Thaw Environments

Figure 22

Creep failure modes of the tested red sandstone under different numbers of freeze-thaw cycles and confining pressures and corresponding sketches.
(a) 0 MPa, 0 freeze-thaw cycles
(b) 2 MPa, 0 freeze-thaw cycles
(c) 4 MPa, 0 freeze-thaw cycles
(d) 6 MPa, 0 freeze-thaw cycles
(e) 4 MPa, 1 freeze-thaw cycle
(f) 4 MPa, 5 freeze-thaw cycles
(g) 4 MPa, 9 freeze-thaw cycles
(h) 4 MPa, 13 freeze-thaw cycles