LU Hong-bo,YANG Chen-guang,LI Da-shun.Design and Construction of Under Crossing River Section of an Urban Utility Tunnel[J].China Water & Wastewater,2021,37(20):82-86.
某城市综合管廊下穿河道段设计与施工
- Title:
- Design and Construction of Under Crossing River Section of an Urban Utility Tunnel
- 摘要:
- 城市地下综合管廊在设计与施工中经常会遇到下穿城市河流的工况，针对不同的工程应采取不同的解决方案，包括上跨河流、下穿河流、结合现有桥梁构筑物等措施。以某城市地下综合管廊实际工程项目为例，进行了该段综合管廊穿越河道的三种方案对比,经分析论证，最终选择了“下穿河道”方案。详细介绍了该工程的结构抗浮设计、抗冲刷设计以及围堰施工、基坑支护方案等。目前工程已顺利竣工，实际应用效果良好。
- Abstract:
- In design and construction of urban underground utility tunnel, it often encounters the working condition of crossing urban river. Different solutions should be adopted for different projects, including measures such as crossing over a river, under crossing a river and combining existing bridge structures. Taking an urban utility tunnel project as an example, we compared three schemes of the utility tunnel crossing the river. After analysis and demonstration, the scheme of “under crossing the river” was finally determined. The anti-floating design of the structure, anti-scouring design, cofferdam construction and foundation support scheme were introduced in detail. At present, the project has been successfully completed and the operation is good.
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