Classification and Application of Roof Stability of Bolt Supporting Coal Roadway Based on BP Neural Network

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Coal mine name</td><td class="align_center">Province</td><td class="align_center">Support form</td><td class="align_center">Cause of accident</td><td class="align_center">Death toll</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Lijiagou coal mine</td><td class="align_center">Shanxi</td><td class="align_center">Anchor cable combination</td><td class="align_center">Roof fall accident</td><td class="align_center">21</td></tr><tr><td class="align_left">Longyun coal mine</td><td class="align_center">Shandong</td><td class="align_center">Anchor cable combination</td><td class="align_center">Roof fall accident</td><td class="align_center">21</td></tr><tr><td class="align_left">Hongyang coal mine</td><td class="align_center">Liaoning</td><td class="align_center">Anchor cable combination</td><td class="align_center">Roof fall accident</td><td class="align_center">10</td></tr><tr><td class="align_left">Danshuigou coal mine</td><td class="align_center">Shanxi</td><td class="align_center">Anchor cable combination</td><td class="align_center">Roof fall accident</td><td class="align_center">10</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Part of roof accident in coal mine in China from 2017 to 2019.</div>

Advances in Civil Engineering

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Table 1

Table 1: Classification and Application of Roof Stability of Bolt Supporting Coal Roadway Based on BP Neural Network 