大直径涵洞施工中盾构进出洞口的土体加固试验研究

Soil Body Construction of Shield Access Tunnel Front in Large Diameter Tunnel Construction

盾构掘进精度与工作井、接收井进出洞口周边的土体有关.在软土地基下施工尤为如此。采用何种方式加固盾构进出洞口周边土体是本文讨论的主要内容。

Soil body of access front of working well and receiving well is of great concern with shield tunnelling accuracy, much so for soft soil construction. Therefore to adopt what method to consolidate access front is this article's main subject.