Experimental Study on the Creep Characteristics of Cemented Backfill in a Goaf under Water Pressure

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Water pressure (MPa)</td><td class="align_center">Long-term strength (MPa)</td><td class="align_center">Degradation ratio (%)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">0</td><td class="align_center">6.71</td><td class="align_center">0</td></tr><tr><td class="align_left">0.5</td><td class="align_center">6.12</td><td class="align_center">8.8</td></tr><tr><td class="align_left">1.0</td><td class="align_center">5.31</td><td class="align_center">20.9</td></tr><tr><td class="align_left">1.5</td><td class="align_center">4.93</td><td class="align_center">26.5</td></tr><tr><td class="align_left">2.0</td><td class="align_center">4.72</td><td class="align_center">29.6</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Long-term strengths under different water pressures.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Experimental Study on the Creep Characteristics of Cemented Backfill in a Goaf under Water Pressure 