Experimental Study on Deformation Mechanism of a Utility Tunnel in a Ground Fissure Area

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Material</td><td class="align_center">Mix ratio %</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Concrete</td><td class="align_center">1.000</td></tr><tr><td class="align_left">Fil ash</td><td class="align_center">0.43</td></tr><tr><td class="align_left">Sand</td><td class="align_center">6.59</td></tr><tr><td class="align_left">Fine gravel (3–5 mm)</td><td class="align_center">4.40</td></tr><tr><td class="align_left">Early strength agent</td><td class="align_center">0.030</td></tr><tr><td class="align_left">Water</td><td class="align_center">0.9</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mix ratio of model fine aggregate concrete.</div>

Advances in Materials Science and Engineering

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Table 3

Table 3: Experimental Study on Deformation Mechanism of a Utility Tunnel in a Ground Fissure Area 