| 污水管线改造工程对既有盾构隧道变形影响 |
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| 引用本文： | 彭智勇,杨秀仁,徐竣,李永波,路威,马利衡.污水管线改造工程对既有盾构隧道变形影响[J].低温建筑技术,2019,41(4):84-87,113. |
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| 作者姓名： | 彭智勇 杨秀仁 徐竣 李永波 路威 马利衡 |
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| 作者单位： | 北京城建设计发展集团股份有限公司城市轨道交通绿色与安全建造技术国家工程实验室,北京,100037;成都环境投资集团有限公司,成都,610041;天津市市政工程设计研究院,天津,300050;中国水利水电科学研究院,北京,100048;北京市基础设施投资有限公司,北京,100101 |
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| 摘 要： | 污水管线改造过程中可能存在土体开挖,土体开挖可能对邻近盾构隧道的变形产生不利影响,文中以某市污水管线改造工程对既有盾构隧道的变形影响为例,采用数值模拟分析法,通过对邻近盾构隧道的不同污水管线开挖施工方案的仿真分析,得到土体总开挖量与盾构隧道最大变形的相互关系,并且利用其规律提出污水管线改造的优化方案,为类似污水管线改造工程提供便捷的设计与施工指导。
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| 关 键 词： | 污水管线改造 土体开挖体积 既有盾构隧道变形 数值模拟 方案优化 |
RESEARCH ON THE DEFORMATION EFFECT OF SHIELD TUNNEL EXISTED IN SEWAGE PIPELINE RECONSTRUCTION PROJECT |
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| PENG Zhiyong,YANG Xiuren,XU Jun,LI Yongbo,LU Wei,MA Liheng.RESEARCH ON THE DEFORMATION EFFECT OF SHIELD TUNNEL EXISTED IN SEWAGE PIPELINE RECONSTRUCTION PROJECT[J].Low Temperature Architecture Technology,2019,41(4):84-87,113. |
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| Authors: | PENG Zhiyong YANG Xiuren XU Jun LI Yongbo LU Wei MA Liheng |
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| Affiliation: | (National Engineering Laboratory for Green and Safe Construction Technology in Urban Rail Transit, Beijing Urban Construction Design and Development Group Co., Ltd., Beijing 100037, China;Chengdu Environment Investment Group Co., Ltd.,Chengdu 610041, China;Tianjin Municipal Engineering. Design & Research Institute,Tianjin 300050,China;China Institute of Water Resources and Hydropower Research, Beijing 100048, China;Beijing Infrastructure Investment Co., Ltd., Beijing 100101, China) |
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| Abstract: | Soil excavation may exist in the process of sewage pipeline reconstruction, and it may have adverse effects on the deformation of adjacent shield tunnel existed. Taking the deformation of shield tunnel existed affected by sewage pipeline reconstruction project in a city as an example, this paper adopts numerical simulation analysis method, through the simulation analysis of different sewage pipeline excavation construction schemes in adjacent shield tunnel, the relationship between total excavation volume and maximum deformation of shield tunnel is obtained, and the optimization scheme of sewage pipeline reconstruction is put forward based on its law, which provides convenient design and construction guidance for similar sewage pipeline reconstruction projects. |
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| Keywords: | sewage pipeline reconstruction excavation volume of soil deformation of shield tunnel existed numerical simulation scheme optimization |
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