To estimate the resistance of thrust correctly during the process of the culvert box jacking is one of the main factors to construct the project successfully.
箱涵推进中推进阻力估算正确与否是工程成败的关键因素之一。
2
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。
3
The application of the chemical churning pile in the existing tracks culvert-jacking box;