Research Article

Effect of Cyclic Loading and Unloading on the Deformation and Damage Properties of Sandstone from Beizao, a Coal Mine underneath the Bohai Sea in China

Figure 5

Residual (elastic) strain and their ratios of sandstone under uniaxial cyclic loading-unloading compression: (a) residual strain, (b) elastic strain, (c) proportion of residual strain, and (d) proportion of elastic strain.
(a)
(b)
(c)
(d)