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徐家汇地铁站深基坑降水数值模拟与沉降控制

周念清, 唐益群, 娄荣祥, 江思珉

周念清, 唐益群, 娄荣祥, 江思珉. 徐家汇地铁站深基坑降水数值模拟与沉降控制[J]. 岩土工程学报, 2011, 33(12): 1950-1956.
引用本文: 周念清, 唐益群, 娄荣祥, 江思珉. 徐家汇地铁站深基坑降水数值模拟与沉降控制[J]. 岩土工程学报, 2011, 33(12): 1950-1956.
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ZHOU Nian-qing, TANG Yi-qun, LOU Rong-xiang, JIANG Si-min. Numerical simulation of deep foundation pit dewatering and land subsidence control of Xujiahui Metro Station[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(12): 1950-1956.
Citation: ZHOU Nian-qing, TANG Yi-qun, LOU Rong-xiang, JIANG Si-min. Numerical simulation of deep foundation pit dewatering and land subsidence control of Xujiahui Metro Station[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(12): 1950-1956.
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徐家汇地铁站深基坑降水数值模拟与沉降控制  English Version

  • （ 1. 同济大学水利工程系，上海 200092 ； 2. 同济大学地下建筑与工程系，上海 200092 ； 3. 上海广联建设发展有限公司，上海 200438 ）

基金项目: 国家自然科学基金项目（ 40872178 ）
详细信息
    作者简介:

    周念清 (1964 – ) ，男，湖南石门人，博士，教授，博士生导师，主要从事地下水数值模拟方面的研究。

  • 中图分类号: TU375.4

Numerical simulation of deep foundation pit dewatering and land subsidence control of Xujiahui Metro Station

  • （ 1. Department of Hydraulic Engineering, Tongji University, Shanghai 200092, China; 2. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 3. Shanghai Guanglian Construction Development Co., Ltd., Shanghai 200438, China ）

摘要

    摘要
  • 摘要: 上海地下水位埋深较浅，地铁站建设大多要采取工程降水措施。以上海地铁 11 号线徐家汇站为例，根据场地工程地质和水文地质条件、地铁站围护结构设计深度和基坑开挖深度，建立地下水渗流数值模型，通过抽水试验反求水文地质参数，结合场地初始条件和边界条件，采用三维有限差分法对基坑降水进行模拟，数值模拟结果与地下水位实际监测数据十分吻合，同时对基坑降水引起的地面沉降进行计算，结果表明基坑周围的地面沉降能够得到有效地控制。
    Abstract: The buried depth of groundwater level is fairly shallow in Shanghai, and pit dewatering measures are mostly adopted in construction of metro stations. This study refers to the deep foundation pit dewatering project of Xujiahui Station of Shanghai Metro Line No. 11. According to the site conditions of engineering geology and hydrogeology, design depth of enclosure structure and pit excavation of metro station, a numerical model of groundwater seepage is established. Through the inversion of permeability parameters based on the field pumping tests, the three-dimensional finite difference method is used to simulate the pit dewatering considering the initial and boundary conditions. The numerical results are consistent with the actual monitoring data of groundwater level. At the same time, the land subsidence induced by dewatering is calculated. The results indicate that the land subsidence around the pit can be controlled effectively.
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    • 参考文献(7)
  • [1] 骆祖江 , 刘金宝 , 李 朗 . 第四纪松散沉积层地下水疏降与地面沉降三维全耦合数值模拟 [J]. 岩土工程学报 , 2008, 30 (2): 193 – 198. (LUO Zou-jiang, LIU Jin-bao, LI Lang. Three-dimensional full coupling numerical simulation of groundwater dewatering and land-subsidence in quaternary loose sediments[J]. Chinese Journal of Geotechnical Engineering, 2008, 30 (2): 193 – 198. (in Chinese))
    [2] DASSARGUES A, BIVER P, MONJOIE A. Geotechnical properties of the quaternary sediments in Shanghai[J]. Engineering Geology, 1991, 31 : 71 – 90.
    [3] 吴林高 , 李 国 , 方兆昌 , 等 . 基坑工程降水案例 [M]. 北京 : 人民交通出版社 , 2009. (WU Lin-gao, LI Guo, FANG Zhao-chang, et al. Dewatering case history for excavation[M]. Beijing: China Communication Press, 2009. (in Chinese))
    [4] 俞洪良 , 陆杰峰 , 李守德 . 深基坑工程渗流场特性分析 [J]. 浙江大学学报 ( 理学版 ), 2002, 29 (5): 595 – 600. (YU Hong-liang, LU Jie-feng, LI Shou-de. Study on seepage field characteristics of foundation pit excavation [J] . J Zhejiang Univ China (Science Edition), 2002, 29 (5): 595 – 600. (in Chinese))
    [5] WANG G G, YAN P, GONG X N. Research on the seepage field of excavation with waterproof structure[J]. Ind Constr. 2001, 31 (4): 43 – 45.
    [6] WANG J X, HU L S, WU L G, et al. Hydraulic barrier function of the underground continuous concrete wall in the pit of metro station and its optimization[J]. Environmental Geology, 2009, 57 : 447 – 453
    [7] ZHOU N Q, VERMEER P A, LOU R Q, et al. Numerical simulation of deep foundation pit dewatering and optimization of land subsidence controlling[J]. Engineering Geology, 2010, 11 6(3-4): 251 – 260.
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  • 发布日期:  2011-12-14

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