软土地区复杂环境下地铁区间风井基坑设计及研究
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摘要
以上海市轨道18号线沪南公路站～御桥站区间中间风井为工程背景,对软土地区中间风井的设计方案进行研究。结合风井周边环境,分析了基坑设计的重难点,并提出了相应的处理措施;此外,采用有限元软件模拟分析了基坑开挖过程中对周边市政管线的影响,结果表明该设计方案能够保证基坑施工过程对周边管线的影响在可控范围内,可为今后类似工程设计提供参考。
Based on the engineering background of the intermediate ventilation shaft between Hunan Highway Station and Yuqiao Station of Shanghai Metro Line 18, this paper studies the design scheme of intermediate ventilation shaft in the soft soil area. According to the surrounding environment of ventilation shaft, this paper analyzes the key and difficult points in the design of foundation pit, and puts forward the relevant treatment measures. In addition, this paper simulates and analyzes the influence of excavation process of foundation pit on the surrounding municipal pipelines by the finite element software. The result shows that this design scheme can guarantee the influence of construction process of foundation pit on the surrounding pipelines is controllable, and can provide the reference for the design of the similar projects.
Based on the engineering background of the intermediate ventilation shaft between Hunan Highway Station and Yuqiao Station of Shanghai Metro Line 18, this paper studies the design scheme of intermediate ventilation shaft in the soft soil area. According to the surrounding environment of ventilation shaft, this paper analyzes the key and difficult points in the design of foundation pit, and puts forward the relevant treatment measures. In addition, this paper simulates and analyzes the influence of excavation process of foundation pit on the surrounding municipal pipelines by the finite element software. The result shows that this design scheme can guarantee the influence of construction process of foundation pit on the surrounding pipelines is controllable, and can provide the reference for the design of the similar projects.
引文
[1]谭勇,康志军,卫彬,等.上海软土地区某地铁风井深基坑案例分析[J].浙江大学学报(工学版),2016(6):1048-1055.
[2]彭长胜.地铁超深中间风井关键技术设计和研究[J].铁道标准设计,2016(4):91-95.
[3]刘国彬,王卫东.基坑工程手册(第二版)[M].北京:中国建筑工业出版社,2009.
[4]王琰.钱塘江边超深基坑承压水治理技术研究[J].城市道桥与防洪,2012(7):350-354.
[5]吴奇,李俊才.高承压水基坑降水对周边环境的影响分析[J].南京工程学院学报,2015(1):6-11.
[6]郑诚.悬挂式帷幕在杭州轨交6号线钱江世纪城站中的应用[J].上海建设科技,2015(5):19-22.
[7]游才华.复杂环境条件下的地铁车站基坑悬挂止水帷幕降水技术[J].建筑施工,2017(7):931-933.
[8] DJ/T J08-61—2010,上海市基坑工程技术规范[S].
[9] GB 50157—2013,地铁设计规范[S].中国建筑工业出版社,2013.
[10] DGJ32/TJ 162—2014,玻璃纤维增强复合材料筋基坑工程应用技术规程[S].
[2]彭长胜.地铁超深中间风井关键技术设计和研究[J].铁道标准设计,2016(4):91-95.
[3]刘国彬,王卫东.基坑工程手册(第二版)[M].北京:中国建筑工业出版社,2009.
[4]王琰.钱塘江边超深基坑承压水治理技术研究[J].城市道桥与防洪,2012(7):350-354.
[5]吴奇,李俊才.高承压水基坑降水对周边环境的影响分析[J].南京工程学院学报,2015(1):6-11.
[6]郑诚.悬挂式帷幕在杭州轨交6号线钱江世纪城站中的应用[J].上海建设科技,2015(5):19-22.
[7]游才华.复杂环境条件下的地铁车站基坑悬挂止水帷幕降水技术[J].建筑施工,2017(7):931-933.
[8] DJ/T J08-61—2010,上海市基坑工程技术规范[S].
[9] GB 50157—2013,地铁设计规范[S].中国建筑工业出版社,2013.
[10] DGJ32/TJ 162—2014,玻璃纤维增强复合材料筋基坑工程应用技术规程[S].