Volume 38 Issue 3
Jun.  2024
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Sun Chong, Liu Yinpeng, Chen Shaoqing, Cheng Lin. Analysis and Prediction of Settlement Characteristics of Double-layer Soft Soil Foundation Treated by Vacuum Preloading Method[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2024, 38(3): 287-293. doi: 10.3969/j.issn.1007-2993.2024.03.005
Citation: Sun Chong, Liu Yinpeng, Chen Shaoqing, Cheng Lin. Analysis and Prediction of Settlement Characteristics of Double-layer Soft Soil Foundation Treated by Vacuum Preloading Method[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2024, 38(3): 287-293. doi: 10.3969/j.issn.1007-2993.2024.03.005
shu

Analysis and Prediction of Settlement Characteristics of Double-layer Soft Soil Foundation Treated by Vacuum Preloading Method

doi: 10.3969/j.issn.1007-2993.2024.03.005
  • 1.

    Tianjin Water Conservancy Engineering Group Co., Ltd., Tianjin 300222, China

  • 2.

    Tianjin Beiyang Survey and Design Institute of Water Transport & Water Conservancy Co., Ltd., Tianjin 300460, China

  • Received Date: 2023-05-12
  • Accepted Date: 2023-11-08
  • Rev Recd Date: 2023-08-02
  • Publish Date: 2024-06-12
    Abstract
  • The double-layer soft soil foundation composed of artificial fill layer and original marine sedimentary soil layer is different from the conventional foundation form, and its settlement prediction results have large discreteness. The foundation of a certain project in the coastal area of Tianjin is a double-layer soft soil foundation. The vacuum preloading method was used for foundation treatment. Based on this engineering example, the settlement characteristics of the double-layer soft soil foundation were revealed through on-site monitoring. In terms of settlement prediction, a double-layer soft soil foundation settlement prediction model was established using convolutional neural networks, and compared with hyperbolic fitting method. The research results showed that this method can also accurately predict foundation settlement deformation, meeting the needs of engineering construction.

     

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