Shock and Vibration / 2018 / Article / Tab 3

Research Article

Experimental Study on Seismic Dynamic Characteristics of Shallow-Bias Tunnel with a Small Space

Table 3

Physical and mechanical parameters.

MaterialsMaterial parameters
E (MPa)μγ (kN·m−3)Φ (°) C (kPa)

Weakly weathered rock60000.252339700
Weak rock13000.32027200
Hard rock189000.325501500

E: elastic modulus, μ: Poisson ratio, φ: angle of shear strength, C: cohesion, and γ: bulk density