Mechanism of Fracturing in Shaft Lining Caused by High-Pressure Pore Water in Stable Rock Strata

<table class="fixed-width table-group" id="tab1"><tr><td><table class="table"><colgroup><col style="width:3.77em"/><col style="width:3.66em"/><col style="width:3.23em"/><col style="width:3.28em"/><col style="width:3.42em"/><col style="width:3.93em"/></colgroup><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left"><i><i>λ</i></i><sub>1</sub></td><td class="align_center"><i><i>λ</i></i><sub>2</sub></td><td class="align_center"><i><i>λ</i></i><sub>3</sub></td><td class="align_center"><i><i>λ</i></i><sub>4</sub></td><td class="align_center"><i><i>λ</i></i><sub>5</sub></td><td class="align_center"><i>R</i><sup>2</sup></td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">-3.509</td><td class="align_center">-0.261</td><td class="align_center">1.952</td><td class="align_center">1.087</td><td class="align_center">0.505</td><td class="align_center">0.9995</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>Note: <i>R</i><sup>2</sup> is the goodness of fit.<br/></div></td></tr></table>

<div>Regression coefficients values.</div>

Mathematical Problems in Engineering

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Table 1

Table 1: Mechanism of Fracturing in Shaft Lining Caused by High-Pressure Pore Water in Stable Rock Strata 