Research Article

The Uniaxial Creep Characteristics of Red Sandstone under Dry-Wet Cycles

Table 5

Statistics of the creep parameters of the red sandstone under the failure load level.

Red sandstone’s stateFailure load (kN)Duration of the damage phase (h)Instantaneous strain rate (h−1)Average creep strain rate (10−2 ∗ h−1)

Dry state3511.80.9360.308
Wet state3511.20.7440.882
3 dry-wet cycles309.83.3723.249
6 dry-wet cycles259.11.4522.788
9 dry-wet cycles257.91.5724.173