Numerical Simulation of Split-Hopkinson Pressure Bar Tests for the Combined Coal-Rock by Using the Holmquist–Johnson–Cook Model and Case Analysis of Outburst

<div>Stress waves of the incident bar and transmission bar at different bullet speeds: (a) 5.008 (m/s); (b) 7.671 (m/s); (c) 6.660 (m/s); (d) 5.880 (m/s).</div>

Advances in Civil Engineering

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Figure 5

Figure 5: Numerical Simulation of Split-Hopkinson Pressure Bar Tests for the Combined Coal-Rock by Using the Holmquist–Johnson–Cook Model and Case Analysis of Outburst 

Figure 5 | Numerical Simulation of Split-Hopkinson Pressure Bar Tests for the Combined Coal-Rock by Using the Holmquist–Johnson–Cook Model and Case Analysis of Outburst 