Mechanical and Coal Burst Breeding Mechanism of Coal Samples under True Triaxial Loading and Unloading

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Property</td><td class="align_center">Mean value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Longitudinal wave velocity</td><td class="align_center">1200 m/s</td></tr><tr><td class="align_left">Density</td><td class="align_center">1400 kg/m<sup>3</sup></td></tr><tr><td class="align_left">Compressive strength</td><td class="align_center">8 MPa</td></tr><tr><td class="align_left">Elastic modulus</td><td class="align_center">0.85 GPa</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic properties of the tested material.</div>

Advances in Civil Engineering

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Table 1

Table 1: Mechanical and Coal Burst Breeding Mechanism of Coal Samples under True Triaxial Loading and Unloading 