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盾构到达突发涌水处理及水中到达方案分析
收稿日期: 2013-01-28
修回日期: 2013-03-01
网络出版日期: 2013-04-12
Coping with Water Gushing in Shield Arrival
Received date: 2013-01-28
Revised date: 2013-03-01
Online published: 2013-04-12
于加云 . 盾构到达突发涌水处理及水中到达方案分析[J]. 隧道建设, 2013 , 33(4) : 315 -318 . DOI: 10.3973/j.issn.1672-741X.2013.04.011
Water gushing, sand inrush and collapse are prone to occur in shield arrival, which is one of the major risks in shield tunneling. Water gushing occurs in the shield arrival in a tunneling project. In order to cope with the gushing water, a shield receiving chamber made of reinforced concrete is built. The shield receiving method mentioned is mainly based on the idea of keeping balance in shield arriving. The shield receiving chamber made of reinforced concrete is closely connected to the tunnel portal and is filled with filling materials to keep the pressure in the chamber equal to the original soil pressure so as to simulate the shield tunneling conditions in the original soil and to ensure the safety during shield arrival.
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