Research Article

Mechanical Properties and Energy Dissipation of Sandstone under Cyclic Loading-Unloading

Table 3

Proportion of different kinds of energy in sandstone under cyclic loading-unloading (%).

Number of cycles0.20.40.60.8

169.4130.5967.3332.6768.8031.2064.6435.36
260.2939.7158.4141.5946.4853.5233.2466.76
348.3351.6749.8350.1727.4772.5330.9469.06
437.8162.1940.3259.6829.6370.3734.6365.37
524.2975.7134.3365.6733.7066.3044.8055.20