Quantitative Evaluation of the Adaptability of the Shield Machine Based on the Analytic Hierarchy Process (AHP) and Fuzzy Analytic Hierarchy Process (FAHP)

<table class="table-group" id="tab8"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Target layer</td><td class="align_center">Rule layer</td><td class="align_center">Scheme layer</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_center" rowspan="11">Evaluation method of shield-type selection (T)</td><td class="align_left" rowspan="2">Environmental conditions (C2)</td><td class="align_center">Existing building (u21)</td></tr><tr><td class="align_center">Underground pipelines (u22)</td></tr><tr><td class="align_left" rowspan="3">Shield construction (C3)</td><td class="align_center">Propulsion speed (u31)</td></tr><tr><td class="align_center">Rotation speed of the cutter head (u32)</td></tr><tr><td class="align_center">Grouting pressure (u33)</td></tr><tr><td class="align_left" rowspan="6">Design of shield machine (C4)</td><td class="align_center">Total thrust (u41)</td></tr><tr><td class="align_center">Main drive torque (u42)</td></tr><tr><td class="align_center">Grouting ability (u43)</td></tr><tr><td class="align_center">Number of muck improvement openings (u44)</td></tr><tr><td class="align_center">Type of cutting tools (u45)</td></tr><tr><td class="align_center">Slagging quantity of screw conveyor (u46)</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

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Table 8

Table 8: Quantitative Evaluation of the Adaptability of the Shield Machine Based on the Analytic Hierarchy Process (AHP) and Fuzzy Analytic Hierarchy Process (FAHP) 

Table 8 | Quantitative Evaluation of the Adaptability of the Shield Machine Based on the Analytic Hierarchy Process (AHP) and Fuzzy Analytic Hierarchy Process (FAHP) 