culvert jacking

基本解释

For the case of safety, its construction will adopt pipe-roof culvert box jacking method.
为慎重起见，拟采用管幕保护下的顶进法施工。
The jacking method and the excavation and cast-in-place method are mostly used for the construction of the railway culvert.
穿越铁路地道桥施工较多采用顶推法和明挖现浇法。
Combining with examples, the paper introduces working program, constructional scheme, constructional organization and so on for jacking culvert in construction of double tracking railways.
结合实践，介绍在铁路复线施工中涵洞顶进的作业程序、施工方案、施工组织等技术。