| 人工回灌控制基坑工程地面沉降的数值模拟 |
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| 引用本文： | 瞿成松,陈蔚,黄雨.人工回灌控制基坑工程地面沉降的数值模拟[J].中国海洋大学学报(自然科学版),2011,41(6):87-92,108. |
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| 作者姓名： | 瞿成松 陈蔚 黄雨 |
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| 作者单位： | 1. 北京师范大学水科学研究院,北京,100875;地下水污染控制与修复教育部工程研究中心,北京,100875;上海长凯岩土工程有限公司,上海,200002
2. 同济大学,上海,200092 |
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| 基金项目： | 上海市科学技术委员会项目，上海建科2010-003和上海市规划和国土资源管理局科研项目 |
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| 摘 要： | 人工回灌是控制基坑降水工程引起地面沉降的有效手段,本文以上海地铁2、4、9号3条地铁线所围区域盛大基坑降水为例,探讨基坑降水地下水回灌控制地面沉降的作用机理,并基于下负荷面剑桥理论,建立水-土耦合的地面沉降数学模型,预测基于人工回灌的深基坑工程地面沉降,与实测地面沉降数据对比,得到比较符合实际的数值模拟结果,真实地反映了基坑开挖、支撑和降水共同作用下的地面沉降,值得基坑降水回灌工程推广。
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| 关 键 词： | 下负荷面剑桥模型 地下水回灌 地面沉降 数值模拟 |
Numerical Simulation for Subsidence of Deep Foundation Pits Controlled by Artifical Groundwater Recharge |
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| QU Cheng-Song,CHEN Wei,HUANG Yu.Numerical Simulation for Subsidence of Deep Foundation Pits Controlled by Artifical Groundwater Recharge[J].Periodical of Ocean University of China,2011,41(6):87-92,108. |
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| Authors: | QU Cheng-Song CHEN Wei HUANG Yu |
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| Institution: | QU Cheng-Song1,2,3,CHEN Wei4,HUANG Yu4(1.College of Water Sciences,Beijing Normal University,Beijing 100875,China,2.Engineering Research Center for Groundwater Pollution Control and Remediation,Ministry of Education,3.Shanghai Changkai Geotechnical Co.,Ltd,Shanghai 200002,4.Tongji University,Shanghai 200092,China) |
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| Abstract: | Groundwater recharge is the effective method to control the subsidence resulting from the dewatering.Based on the site dewatering of Shenda foundation pit surrended by Shanghai Metro Line No.2,4 and 9,groundwater recharge was successfully utilized.The subsidences resulted from excavation and dewatering are simulated using subloading Cam-clay model.The calculated results are similar with the actual date and can reflect the strain subsidence behaviors of foundation pit excavation and dewatering.The recharge m... |
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| Keywords: | subloading cam-clay model groundwater recharge ground subsidence numerical simulation |
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