Figure 1
From: Experimental study on uniaxial creep characteristics of sandstone with pre-peak unloading damage
Triaxial compression test: 1—testing machine frame, 2—pressure sensor, 3—confining pressure chamber, 4—electromagnetic heating coil, 5—surrounding block, 6—heat shrinkable tube, 7—Radial displacement sensor, 8—temperature sensor, 9—rubber tube.
