Experimental Study on Load Bearing Characteristics of Steel Fiber Reinforced Concrete Lining in the Soft Surrounding Rock Tunnel

<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_center" colspan="2">Material</td><td class="align_center"><i>γ</i> (kN·m<sup>−3</sup>)</td><td class="align_center"><i>E</i> (MPa)</td><td class="align_center"><i>μ</i></td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left" rowspan="2">Reinforced concrete</td><td class="align_center">Original lining</td><td class="align_center">25</td><td class="align_center">29500</td><td class="align_center">0.2</td></tr><tr><td class="align_center">Similar materials</td><td class="align_center">24.3</td><td class="align_center">1382</td><td class="align_center">0.2</td></tr><tr><td class="align_left" rowspan="2">Steel fiber reinforced concrete</td><td class="align_center">Original lining</td><td class="align_center">25</td><td class="align_center">29500</td><td class="align_center">0.2</td></tr><tr><td class="align_center">Similar materials</td><td class="align_center">24.6</td><td class="align_center">1360</td><td class="align_center">0.2</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Physical and mechanical parameters of the lining.</div>

Advances in Civil Engineering

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Table 3

Table 3: Experimental Study on Load Bearing Characteristics of Steel Fiber Reinforced Concrete Lining in the Soft Surrounding Rock Tunnel 