Shield Tunneling under Railway Station Throats in Soft Soil Areas: A Case Study

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Item</td><td class="align_center">Content (kg/m<sup>3</sup>)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Sand</td><td class="align_center">1180</td></tr><tr><td class="align_left">Fly ash</td><td class="align_center">300</td></tr><tr><td class="align_left">Bentonite</td><td class="align_center">50</td></tr><tr><td class="align_left">Lime</td><td class="align_center">80</td></tr><tr><td class="align_left">Admixtures</td><td class="align_center">3</td></tr><tr><td class="align_left">Water</td><td class="align_center">285</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Material composition of tail-void grouting.</div>

Advances in Civil Engineering

tab5

Table 5

Table 5: Shield Tunneling under Railway Station Throats in Soft Soil Areas: A Case Study 