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Volume 36 Issue zk2
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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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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

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  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
    Graphical Abstract
    • 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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    • References (9)
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