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帷幕在降水条件下对基坑周边渗流及变形影响的研究

马昌慧, 毛云, 黄魏, 蔡红

马昌慧, 毛云, 黄魏, 蔡红. 帷幕在降水条件下对基坑周边渗流及变形影响的研究[J]. 岩土工程学报, 2014, 36(zk2): 294-298. DOI: 10.11779/CJGE2014S2052
引用本文: 马昌慧, 毛云, 黄魏, 蔡红. 帷幕在降水条件下对基坑周边渗流及变形影响的研究[J]. 岩土工程学报, 2014, 36(zk2): 294-298. DOI: 10.11779/CJGE2014S2052
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MA Chang-hui, MAO Yun, HUANG Wei, CAI Hong. Effects of dewatering methods on seepage and deformation of foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 294-298. DOI: 10.11779/CJGE2014S2052
Citation: MA Chang-hui, MAO Yun, HUANG Wei, CAI Hong. Effects of dewatering methods on seepage and deformation of foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 294-298. DOI: 10.11779/CJGE2014S2052
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帷幕在降水条件下对基坑周边渗流及变形影响的研究  English Version

  • 1. 中南建筑设计院股份有限公司,湖北 武汉 430071;
    2. 湖北工业大学土木工程与建筑学院,湖北 武汉 430068;
    3. 清华大学水沙科学与水利水电工程国家重点实验室,北京 100084;
    4. 湖北中南勘察基础工程有限公司,湖北 武汉 430071

基金项目: 国家自然科学基金项目（51479096,51129902）
详细信息
    作者简介:

    马昌慧（1986- ）,女,助理工程师,主要从事基坑工程的设计和研究工作。E-mail: 513632660@qq.com。

Effects of dewatering methods on seepage and deformation of foundation pits

  • 1. Central-South Architectural Design Institute Co., Ltd., Wuhan 430071, China;
    2. School of Civil Engineering, Hubei Industrial University, Wuhan 430071, China;
    3. State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China;
    4. Hubei Central South Exploration &
    Foundation Engineering Co., Ltd., Wuhan 430071, China

摘要

    摘要
  • 摘要: 人工降低基坑水位是基坑工程中的常用技术手段之一,需要合理评价其在地基中引起渗流及附加的变形。采用Visual MODFLOW数值计算软件分析降水条件下武汉某基坑工程的渗流场,并采用分层总和法计算地基变形场。结果表明,随着离基坑的距离增加,基坑外的水头逐渐增大,而地基沉降逐渐减小。增加帷幕深度可以提高降水效果,并有效减小基坑降水引起的沉降。
    Abstract: A usual approach for foundation pits is to decrease water level. It is necessary to evaluate the seepage and induced deformation in the soil base. The numerical simulation software, Visual MODFLOW, is used to analyze the seepage field of a foundation pit in Wuhan. The deformation of the soil base is accordingly derived using the layer-wise summation method. The analysis results show that the water level increases and the settlement of the soil base decreases as the distance from the foundation pit increases. The water level exhibits a significant loss near the curtain. The settlement decreases rapidly near the curtain, and the decrease rate becomes small when the distance is fairly large. The dewatering effect will increase and the settlement of the soil base decreases if the curtain depth increases.
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    • 参考文献(9)
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    [4] 张 飞, 李镜培, 唐 耀. 考虑水位和孔压影响的基坑抗隆起稳定性上限分析[J]. 岩土力学, 2011, 32(12): 3653-3659. (ZHANG Fei, LI Jing-pei, TANG Yao. Basal-heave stability of excavations considering groundwater level and pore water pressure fluctuations by upper bound method [J]. Rock and Soil Mechanics, 2011, 32(12): 3653-3659. (in Chinese))
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    [8] 王庆永, 贾忠华, 刘晓峰, 等. Visual MODFLOW及其在地下水模拟中的应用[J]. 水资源与水工程学报, 2007, 18(5): 90-92. (WANG Qing-yong, JIA Zhong-hua, LIU Xiao-feng, et al. Visual MODFLOW and its application to groundwater simulation[J]. Journal of Water Resources & Water Engineering, 2007, 18(5): 90-92. (in Chinese))
    [9] 贾金生, 田 冰, 刘昌明. Visual MODFLOW在地下水模拟中的应用——以河北省栾城县为例[J]. 河北农业大学学报, 2003, 26(2): 71-78. (JIA Jin-sheng, TIAN Bing, LIU Chang-ming. Visual MODFLOW and its application on groundwater simulation—A case study on Luancheng county of Hebei province[J]. Journal of Agricultural University of Hebei, 2003, 26(2): 71-78. (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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