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砂性土地基深基坑工程对周边环境的影响分析

俞建霖, 夏霄, 张伟, 胡立科

俞建霖, 夏霄, 张伟, 胡立科. 砂性土地基深基坑工程对周边环境的影响分析[J]. 岩土工程学报, 2014, 36(zk2): 311-318. DOI: 10.11779/CJGE2014S2055
引用本文: 俞建霖, 夏霄, 张伟, 胡立科. 砂性土地基深基坑工程对周边环境的影响分析[J]. 岩土工程学报, 2014, 36(zk2): 311-318. DOI: 10.11779/CJGE2014S2055
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YU Jian-lin, XIA Xiao, ZHANG Wei, HU Li-ke. Effect of sandy soil deep excavation engineering on adjacent circumstance[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 311-318. DOI: 10.11779/CJGE2014S2055
Citation: YU Jian-lin, XIA Xiao, ZHANG Wei, HU Li-ke. Effect of sandy soil deep excavation engineering on adjacent circumstance[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 311-318. DOI: 10.11779/CJGE2014S2055
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砂性土地基深基坑工程对周边环境的影响分析  English Version

  • 1. 浙江大学滨海和城市岩土工程研究中心,浙江 杭州 310058;
    2. 浙江大学软弱土与环境土工教育部重点实验室,浙江 杭州 310058;
    3. 杭州龙湖房地产开发有限公司,浙江 杭州 310058

基金项目: 杭州市建委资助项目
详细信息
    作者简介:

    俞建霖(1972- ),男,福建福清人,博士,副教授,主要从事软黏土力学、基坑工程、地基处理及土工数值分析的研究。E-mail: yujianlin72@126.com。

Effect of sandy soil deep excavation engineering on adjacent circumstance

  • 1. Research Center of Coastal and Urban Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China;
    2. Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang University, Hangzhou 310058, China;
    3.Hangzhou Longfor Properties Co., Ltd., Hangzhou 310058, China

摘要

    摘要
  • 摘要: 随着城市建设的发展,周边环境复杂的深基坑工程数量明显增多,基坑的开挖必将改变周围土体应力场,对周边环境产生影响。以杭州一紧邻地铁隧道的砂性土地基深基坑工程为例,运用Plaxis软件对基坑施工过程中围护结构以及临近隧道变形进行模拟,并与现场监测数据进行了对比分析,探讨了基坑外土体位移的衰减规律。结果表明：计算结果与实测结果基本吻合,砂性土地基深基坑开挖会引起围护结构、周边土体以及临近隧道产生向基坑方向的位移,变形规律与开挖工况以及距基坑远近密切相关。本文结果为类似砂性土地基深基坑工程设计及施工提供有益借鉴。
    Abstract: With the rapid development of modern cities, the number of deep excavation sites adjacent to complicated surroundings is increasing significantly. The construction of excavations will change the soil stress around the site and affect the surrounding circumstance. According to the practice of a sandy deep foundation site neighboring the metro tunnel in Hangzhou, the retaining structure of deep foundation and the deformation of tunnel nearby during the construction of excavation are simulated by Plaxis considering the attenuation law of the deformation of the soils around the foundation. By analyzing the measured data, the results show that the calculated results are is basically consistent with the field surveys. Furthermore, the retaining structure, surrounding sandy soils and the adjacent tunnel will shift toward the site during the construction of deep excavation. The deformation rules greatly related with the construction schedule of excavation and the distance of site. This study may provide reference for the design of sandy deep foundation pit engineering.
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    • 参考文献(9)
  • [1] 高广运, 高 盟, 杨成斌, 等. 基坑施工对运营地铁隧道的变形影响及控制研究[J]. 岩土工程学报, 2010, 32(3): 453-459. (GAO Guang-yun, GAO Meng, YANG Cheng-bin, et a1. Influence of deep excavation on deformation of operating metro tunnels and countermeasure[J]. Chinese Journal of Geotechnical and Engineering, 2010, 32(3): 453-459. (in Chinese))
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    [9] 朱正锋, 陶学梅, 谢弘帅. 基坑施工对运营地铁隧道变形的影响及控制研究[J]. 地下空间与工程学报, 2006, 2(1): 128-131. (ZHU Zheng-feng, TAO Xue-mei, XIE Hong-shuai. The influence and control of dip excavation on deformation of operating Metro tunnel[J]. Chinese Journal of Underground Space and Engineering, 2006, 2(1): 128-131. (in Chinese))
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出版历程
  • 收稿日期:  2014-07-27
  • 发布日期:  2014-07-27

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