Influence of Three-Dimensional Stress Field Variation on Fracture Evolution Characteristics of a Roof

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"></td><td class="align_center">Path I</td><td class="align_center">Path II</td><td class="align_center">Path III</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Stress path</td><td class="align_center"><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8810619/figures/8810619.tab-inline.001.svgz" name="8810619.tab-inline.001" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8810619/figures/8810619.tab-inline.002.svgz" name="8810619.tab-inline.002" type="image/svg+xml"></object></td><td class="align_center"><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8810619/figures/8810619.tab-inline.003.svgz" name="8810619.tab-inline.003" type="image/svg+xml"></object></td></tr><tr><td class="align_left">Note</td><td class="align_center">4 m away from the roof surface</td><td class="align_center">8 m away from the roof surface</td><td class="align_center">Contrast group</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Geofluids

tab2

Table 2

Table 2: Influence of Three-Dimensional Stress Field Variation on Fracture Evolution Characteristics of a Roof 