Experimental Study on the Formation and Characteristics of Mud Filtration Cake in Large-Diameter Slurry Shield Tunneling

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Soil</td><td class="align_center">Sand proportion (%)</td><td class="align_center">Permeability coefficient (cm/s)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left"><i>D</i><sub>1</sub></td><td class="align_center">40</td><td class="align_center">1.18 × 10<sup>−3</sup></td></tr><tr><td class="align_left"><i>D</i><sub>2</sub></td><td class="align_center">60</td><td class="align_center">1.60 × 10<sup>−3</sup></td></tr><tr><td class="align_left"><i>D</i><sub>3</sub></td><td class="align_center">70</td><td class="align_center">2.15 × 10<sup>−3</sup></td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Permeability coefficients of the soils.</div>

Advances in Civil Engineering

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Table 1

Table 1: Experimental Study on the Formation and Characteristics of Mud Filtration Cake in Large-Diameter Slurry Shield Tunneling 