Analysis of Stress Asymmetric Distribution Law of Surrounding Rock of Roadway in Inclined Coal Seam: A Case Study of Shitanjing No. 2 Coal Seam

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Dip angle</td><td class="align_center" colspan="2">Ground stress 10 MPa</td><td class="align_center" colspan="2">Ground stress 20 MPa</td></tr><tr class="thead"><td class="align_center">Low side</td><td class="align_center">High side</td><td class="align_center">Low side</td><td class="align_center">High side</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">18°</td><td class="align_center">22.54</td><td class="align_center">37.47</td><td class="align_center">115.51</td><td class="align_center">192.53</td></tr><tr><td class="align_left">21°</td><td class="align_center">23.89</td><td class="align_center">31.31</td><td class="align_center">114.64</td><td class="align_center">159.00</td></tr><tr><td class="align_left">24°</td><td class="align_center">14.93</td><td class="align_center">23.01</td><td class="align_center">72.88</td><td class="align_center">106.89</td></tr><tr><td class="align_left">27°</td><td class="align_center">7.1</td><td class="align_center">17</td><td class="align_center">21.41</td><td class="align_center">58.81</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Horizontal displacement of two sides of roadway (mm).</div>

Advances in Civil Engineering

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Table 3

Table 3: Analysis of Stress Asymmetric Distribution Law of Surrounding Rock of Roadway in Inclined Coal Seam: A Case Study of Shitanjing No. 2 Coal Seam 

Table 3 | Analysis of Stress Asymmetric Distribution Law of Surrounding Rock of Roadway in Inclined Coal Seam: A Case Study of Shitanjing No. 2 Coal Seam 