Risk Assessment of Building Foundation Pit Construction Based on Fuzzy Hierarchical Comprehensive Evaluation Method

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Soil layer name</td><td class="align_center">Soil thickness (m)</td><td class="align_center">Layer bottom depth (m)</td><td class="align_center">Floor elevation (m)</td><td class="align_center">Carrying capacity (kPa)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Mixed fill</td><td class="align_center">0.70-1.10</td><td class="align_center">0.70-1.10</td><td class="align_center">801.60-803.02</td><td class="align_center">—</td></tr><tr><td class="align_left">Vegetative fill</td><td class="align_center">0.70-0.80</td><td class="align_center">0.70-0.80</td><td class="align_center">802.58-802.62</td><td class="align_center">—</td></tr><tr><td class="align_left">Loess</td><td class="align_center">2.50-3.80</td><td class="align_center">3.20-4.50</td><td class="align_center">798.20-800.00</td><td class="align_center">160</td></tr><tr><td class="align_left">Pebbles</td><td class="align_center">0.90-3.80</td><td class="align_center">5.30-7.70</td><td class="align_center">795.68-798.13</td><td class="align_center">250</td></tr><tr><td class="align_left">Strongly weathered mudstone</td><td class="align_center">11.50-13.50</td><td class="align_center">18.50-19.80</td><td class="align_center">783.20-785.11</td><td class="align_center">330</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The main parameters of the rock.</div>

Geofluids

tab6

Table 6

Table 6: Risk Assessment of Building Foundation Pit Construction Based on Fuzzy Hierarchical Comprehensive Evaluation Method 