Table 3 Long-term strength of white sandstone damaged by unloading before peak.
From: Experimental study on uniaxial creep characteristics of sandstone with pre-peak unloading damage
Serial number | Instantaneous strength/MPa | Long-term strength/MPa | Long-term strength/instantaneous strength |
|---|---|---|---|
DR1-0 | 50 | 35.607 | 0.712 |
DR2-0 | 42.5 | 32.083 | 0.755 |
DR3-0 | 38.5 | 27.019 | 0.701 |
DR4-0 | 35 | 25.655 | 0.733 |
DR5-0 | 31.5 | 22.554 | 0.716 |
