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Numerical evaluation of land subsidence induced by dewatering in deep foundation pit

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Abstract

To predict the behavior of land subsidence due to groundwater withdrawal, a 3D numerical model is established. The model takes the confined aquifer and soft deposit of Ningbo into account. According to the pumping test data, changing regulations of groundwater level, and land subsidence during dewatering are analyzed. Comparison between the calculated value and measured value shows that the 3D model simulates the measured value fairly well. The future behavior of land subsidence during dewatering period provides the scientific basis for the construction of deep foundation.

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Authors and Affiliations

  1. Institute of Engineering Safety and Disaster Prevention, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiaotong University, Shanghai, 200240, China

    Dong-dong Zhang  (张冬冬), Chun-yu Song  (宋春雨) & Long-zhu Chen  (陈龙珠)

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  1. Dong-dong Zhang  (张冬冬)
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  2. Chun-yu Song  (宋春雨)
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  3. Long-zhu Chen  (陈龙珠)
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Correspondence to Long-zhu Chen  (陈龙珠).

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Zhang, Dd., Song, Cy. & Chen, Lz. Numerical evaluation of land subsidence induced by dewatering in deep foundation pit. J. Shanghai Jiaotong Univ. (Sci.) 18, 278–283 (2013). https://doi.org/10.1007/s12204-013-1394-1

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  • DOI: https://doi.org/10.1007/s12204-013-1394-1

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