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Volume 39 Issue z2
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ZHANG Zhi-guo, YANG Xuan, ZHAO Qi-hua, FEI Si-yi, JIA Yan-chen. Simplified analysis of frame buildings with shallow foundation induced by excavation of adjacent foundation pit[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 224-227. DOI: 10.11779/CJGE2017S2054
Citation: ZHANG Zhi-guo, YANG Xuan, ZHAO Qi-hua, FEI Si-yi, JIA Yan-chen. Simplified analysis of frame buildings with shallow foundation induced by excavation of adjacent foundation pit[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(z2): 224-227. DOI: 10.11779/CJGE2017S2054
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Simplified analysis of frame buildings with shallow foundation induced by excavation of adjacent foundation pit

  • 1. School of Environment and Architecture, University of Shanghai for science and Technology, Shanghai 200093, China;
    2. Key Laboratory of Geohazard Prevention of Hilly Mountains, Ministry of Land and Resources, Fuzhou 350002, China;
    3. Guangxi Key Laboratory of Geomechanics and Geotechnical Engineering, Guilin University of Technology, Guilin 541004, China;
    4. College of Environment and Civil Engineering, Chengdu University of Technology, Chengdu 610059, China

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  • Received Date: August 01, 2017
  • Published Date: December 19, 2017
    Graphical Abstract
    • Abstract
  • Based on the Winkler foundation model, the interactions of the frame structure, strip basement and soil foundation are simplified as a shear-flexural beam on elastic foundation. The different construction distances are considered to obtain the settlements and internal forces of frame building beam induced by excavation of foundation pit. The results show that the sagging deformation, "∽" form of deformation and hogging deformation will occur for the relative deflection of foundation beam when the relative distance between the building and the excavation increases. When the building is located over the lowest point and the hogging zone of the settlement trough, the sagging and hogging deformations are the most obvious. At the same time, the positive, negative bending moments and shear forces also reach their maximum values.
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    • References (10)
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