Study on Deformation and Stability of Rock-Like Materials Retaining Structure during Collaborative Construction of Super-Adjacent Underground Project

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2">Project</td><td class="align_center" colspan="2"><i>K</i>0+600∼<i>K</i>1+074 section of Gongchang Road Project</td><td class="align_center">Sun Yat-Sen University Station</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left" rowspan="5">Retaining system</td><td class="align_center" rowspan="3">Retaining structure</td><td class="align_center" colspan="2">① Φ1200@1400 mm drilled grouting pile</td><td class="align_center" rowspan="3">800 mm diaphragm wall</td></tr><tr><td class="align_center" colspan="2">② Φ800 mm high-pressure jet grouting pile</td></tr><tr><td class="align_center" colspan="2">③ Φ800@600 double-pipe high-pressure jet grouting pile waterproof curtain</td></tr><tr><td class="align_left" rowspan="2">Internal support</td><td class="align_left">First support</td><td class="align_center">800 mm × 800 mm eight-claw reinforced concrete support, horizontal spacing: 9 m</td><td class="align_center">700 mm × 1000 mm reinforced concrete support, horizontal spacing: 9 m</td></tr><tr><td class="align_left">Second to third support</td><td class="align_center">Φ806 (<i>t</i> = 16) steel pipe support, horizontal spacing: 3 m</td><td class="align_center">Φ609 (<i>t</i> = 16) steel pipe support, horizontal spacing: 3 m</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Basic parameters of foundation pit retaining system on both sides.</div>

Advances in Materials Science and Engineering

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Table 2: Study on Deformation and Stability of Rock-Like Materials Retaining Structure during Collaborative Construction of Super-Adjacent Underground Project 

Table 2 | Study on Deformation and Stability of Rock-Like Materials Retaining Structure during Collaborative Construction of Super-Adjacent Underground Project 