| 上海软土地层盾构近距离下穿既有运营地铁线施工技术研究 |
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| 引用本文： | 廖政权.上海软土地层盾构近距离下穿既有运营地铁线施工技术研究[J].路基工程,2015,0(3):172-176. |
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| 作者姓名： | 廖政权 |
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| 作者单位： | 中铁二局股份有限公司, 成都 610031 |
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| 摘 要： | 针对上海地铁9号线二期2标——盾构下穿既有地铁2号线的工程实际,在分析工程地质与水文条件以及既有地铁2号线保护要求等因素基础上,采用科学合理的施工控制对策、技术措施、施工要求等,完成下穿施工,保证了地铁2号线运营安全。很好地控制安全质量风险,为工程项目的安全、优质、高效地完成提供了有力保障。
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| 关 键 词： | 软土地层 下穿既有隧道 运营安全 工程对策 |
| 收稿时间： | 2019-11-06 |
Study on the Construction Technology for Shield Closely Undercrossing Existing Metro Line in Operation in Soft Soil Stratum of Shanghai |
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| Authors: | LIAO Zhengquan |
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| Abstract: | In relation to the case study on the shield undercrossing the existing Metro Line 2, i.e. the Section 2 of Shanghai Metro Line 9(Phase Ⅱ), and based on analysis of the engineering geological and hydrological conditions and the protection requirements for the existing Metro Line 2, the scientific and proper construction control and technical measures and construction requirements were used to implement the undercrossing construction there and guarantee the safety of operation on the Metro Line 2. Therefore the security and quality risk were under control and the project may be completed safely, perfectly and efficiently with powerful guarantee. |
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| Keywords: | soft soil stratum undercrossing existing metro line safety of operation countermeasures in engineering |
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