管棚帷幕法在既有线框构桥施工中的应用

Application of pipe-strut curtain method on existing line frame shaped culvert construction

结合工程实例,对既有线路的支撑防护问题进行了分析,从施工要求、适用范围等方面进行了论述,提出了管棚帷幕的方法,进行了工艺原理、工艺要点等方面的研究,解决了在不影响既有线路行车的情况下,进行地下建筑物施工的问题。

Combing with project examples, the author analyses the supporting and protection problems of the existing line, discusses from points of construction requirements and scope of application, provides the pipe-strut curtain method, studies the aspects of technological principle and technological important points, solves the problems of underground building construction without having influences on existing line driving.