Table 1 Details of prepared rock samples.
From: Experimental study on uniaxial creep characteristics of sandstone with pre-peak unloading damage
Number | Unloading point/% | Specimen size | Quality/g | wave speed /m s-1 | Test plan | |
---|---|---|---|---|---|---|
Diameter/mm | Height/mm | |||||
DR0-0 | 0 | 49.1 | 103.16 | 432.85 | 2212 | Uniaxial Creep Test |
DR1-0 | 50 | 51.6 | 99.46 | 441.73 | 2170 | Tri-axis peak front loading and unloading + Uniaxial Creep Test |
DR2-0 | 60 | 49.92 | 102.97 | 462.26 | 2140 | |
DR3-0 | 70 | 50.4 | 102.06 | 442.3 | 2160 | |
DR4-0 | 80 | 50.22 | 102.38 | 455.87 | 2000 | |
DR5-0 | 90 | 49.44 | 101.35 | 463.32 | 2050 |