Research Article

Influence of Discontinuities on Rock Failure under Blasting at Shuangjiangkou Hydropower Station

Table 3

Basic physical and mechanical characteristics of surrounding rock.

 Density (g/cm3)Poisson's ratioBulk modulus (GPa)UCS (MPa)

Main powerhouse2.80.2224.8163
Main transformer room2.80.2425.9131

 Shear strengthShear modulus (GPa)Elastic modulus (GPa)
fc (MPa)

Main powerhouse1.601.3017.141.7
Main transformer room1.521.2516.336.0