Construction Sequence Optimization and Settlement Control Countermeasures of Metro Tunnels Underpassing Expressway

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Type</td><td class="align_center">Elastic modulus (MPa)</td><td class="align_center">Internal friction angle (°)</td><td class="align_center">Cohesion (kPa)</td><td class="align_center">Poisson's ratio</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Advanced small-pipe grouting reinforcement area</td><td class="align_center">103.55</td><td class="align_center">23.5</td><td class="align_center">108</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 surrounding rock in the grouting reinforcement area.</div>

Advances in Civil Engineering

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Table 5

Table 5: Construction Sequence Optimization and Settlement Control Countermeasures of Metro Tunnels Underpassing Expressway 