Research Article

Experimental and Numerical Investigation of Energy Evolution Characteristic of Granite considering the Loading Rate Effect

Table 4

Energy values at peak stress with different loading rates.

Loading rate (MPa/s)U (MJ/m3)Ue (MJ/m3)Ud (MJ/m3)Ue/UUd/U

0.051.3241.0400.2840.7850.215
1.07.9474.4643.4830.5620.438
3.08.5064.7293.7770.5560.444
5.013.6607.0016.6590.5130.487