The Deformation Analysis of a Deep Frame Top-Down Excavation in Downtown Shanghai Based on the 3D FEM

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Protection grade</td><td class="align_center">Maximum allowable displacement of the wall</td><td class="align_center">Maximum allowable ground settlement</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">I</td><td class="align_center">0.18% He</td><td class="align_center">0.14% He</td></tr><tr><td class="align_left">II</td><td class="align_center">0.3% He</td><td class="align_center">0.25% He</td></tr><tr><td class="align_left">III</td><td class="align_center">0.7% He</td><td class="align_center">0.55% He</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Control criteria for protection environment.</div>

Advances in Civil Engineering

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Table 2

Table 2: The Deformation Analysis of a Deep Frame Top-Down Excavation in Downtown Shanghai Based on the 3D FEM 