Triaxial Creep Behavior of Red Sandstone in Freeze-Thaw Environments

Figure 7

Curves of the tested red sandstone strain versus the applied deviatoric stress level for different (a) numbers of freeze-thaw cycles and (b) confining pressures.

(a) Curves of strain of red sandstone versus deviatoric stress at 2 MPa confining pressure

(b) Curves of strain of red sandstone versus deviatoric stress under 9 freeze-thaw cycles