And the design approach of widening bridge and culvert is studied and summarized.
分别对桥梁加宽和通道、涵洞加长的设计方法进行了研究、总结，并提出了设计程序。
Hydrology of Bridge and Culvert is a very important professional foundation course.
桥涵水文是土木工程道桥方向较为重要的专业基础课程。
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。
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。
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