Dynamic Behavior of Coal Pillar under Different Load Percentage by Numerical Simulation

<div>The waveform of dynamic stress <i>p</i><sub><i>d</i></sub> (t) with amplitude of <i>p</i><sub>dm</sub> and duration of <i>t</i><sub>dm</sub>.</div>

Advances in Civil Engineering

fig5

Figure 5

Figure 5: Dynamic Behavior of Coal Pillar under Different Load Percentage by Numerical Simulation 