Numerical Simulation of Blast Vibration and Crack Forming Effect of Rock-Anchored Beam Excavation in Deep Underground Caverns

Figure 11

The comparison of vibration velocity of measuring points in numerical simulation and field measurement.

(a) MP1 vibration curve in the direction

(b) MP1 vibration curve in the direction

(c) MP1 vibration curve in the direction

(d) Equivalent load 17.9 MPa–14.1 MPa

(e) Equivalent load 19.3 MPa–15.2 MPa

(f) Equivalent load 23.4 MPa–18.5 MPa