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Comparison of deformation with various support methods used at a deep foundation pit project in Jinan
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1.Shandong Provincial Bureau of Geology & Mineral Exploration and Development 801 Hydrogeology and Engineering Geology Brigade, Jinan Shandong 250014, China; 2.Shandong Geo engineering Exploration Institute, Jinan Shandong 250014, China

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TU47

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    Abstract:

    In the Jinan Dongshefang deep foundation pit works, three kinds of support methods were used in the same support project: the pile anchor, the cantilever pile, and the composite soil nailing wall. The design and monitoring of the foundation pit support are introduced. The monitoring results show that all three support methods can meet the safety requirements of the foundation pit and meet the design requirements; indicating that the three support methods applied to the same deep foundation pit worked very well, saved the project cost, and cut short the construction period. Comparison of deformation demonstrates that the pile-anchor support has the best effect on controlling the deformation of the slope, followed by the cantilever pile; while the composite soil nailing wall is the most disadvantageous.

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History
  • Received:October 25,2018
  • Revised:May 13,2019
  • Adopted:April 24,2019
  • Online: June 20,2019
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