客运专线斜切式洞门整体灌注施工

Integral pouring construction of passenger dedicated line slanting cut tunnel portal

文章介绍了大西铁路客运专线忻州段顿村隧道进口17m帽檐斜切式洞门,在施工中结合现场工程实际,采用12m衬砌台车、前端5m两侧采用木模、钢管支架,一次性整体灌注的施工方法,解决了设计上要求一次性整体灌注的难题,在洞门施工上积累了宝贵的经验,对类似工程施工有一定的参考价值。

This paper introduces in the Xinzhou section of the Daxi passenger dedicated railway tunnel 17m Duncun cut portal Com- bine with engineering practice, adopting 12m lining trolley, front-end both sides 5m using both sides using wood, steel bracket, the construction method is one-time overall perfusion, solves the problem of the design requirements of the disposable whole perfusion, accumulated valuable experiencein tunnel portal construction, have certain reference value to the similar engineering construction.