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Volume 36 Issue zk2
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LIU Yan, NIE Shu-min, LIU Tao. Sheltering effect of existing subsurface structures on displacement of retaining wall of foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 400-403. DOI: 10.11779/CJGE2014S2070
Citation: LIU Yan, NIE Shu-min, LIU Tao. Sheltering effect of existing subsurface structures on displacement of retaining wall of foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 400-403. DOI: 10.11779/CJGE2014S2070
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Sheltering effect of existing subsurface structures on displacement of retaining wall of foundation pits

  • 1. School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China;
    2. Engineering Technology Research Center on Urban Underground Engineering Support and Risk Monitoring of Shandong Province, Jinan 250022;
    3.School of Resources and Environment, University of Jinan, Jinan 250022, China;
    4.College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China

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  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
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    • Abstract
  • The urban development makes the surrounding environment more and more complex, and a lot of people pay their attention to protect the existing underground structures. However, the existence of the existing underground structures changes the displacement field. Therefore, the excavation process should be highlighted, and it is of great significance to correctly understand the sheltering effect of underground buildings on displacement field for determining the protection class of foundation pits for their supporting design and for protecting the safety of nearby metro stations and the surrounding buildings during the construction. Combining the sensitivity theory with the mechanism analysis, it is found that the sheltering effect is the most obvious when the spacing between the underground buildings and the retaining wall of foundation pits is 0.5H, and it can be ignored when the distance is more than 2H.
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    • References (6)
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