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Volume 34 Issue suppl
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DU Zuo-long, WANG Shi-feng, LIU Xiang-yong, GUO Feng-xiao. Optimization of earthwork for a super-large deep excavation based on hardening-soil constitutive model[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(suppl): 248-253.
Citation: DU Zuo-long, WANG Shi-feng, LIU Xiang-yong, GUO Feng-xiao. Optimization of earthwork for a super-large deep excavation based on hardening-soil constitutive model[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(suppl): 248-253.
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Optimization of earthwork for a super-large deep excavation based on hardening-soil constitutive model

  • (1. Technology Center, China Construction Eighth Engineering Division, Shanghai 200120, China; 2. The Postdoctoral Research Station of Civil Engineering, Tongji University, Shanghai 200092, China; 3. Road & Bridge Branch Division, China Construction Eighth Engineering Division, Shanghai 200120, China; 4 Wuxi Rail Transit Development Co., Ltd. Wuxi 214131, China; 5 TianJin Branch Division, China Construction Eighth Engineering Division, Tianjin 310450, China)

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  • Received Date: November 12, 2012
  • Published Date: November 12, 2012
    Graphical Abstract
    • Abstract
  • The first planning excavation of Yujiapu Financial Zone in Binhai New District of Tianjin has an area of about 110000 m2, and the depth of the excavation is commonly 13～14 m. In this excavation, only one level of concrete internal bracing is applied, so it has high requirements for the control of stability. The prediction of deformation is necessary to determine the impact of the surrounding environment during the process of excavation. Based on the hardening-soil constitutive model and the finite element method, the influence of different steps of excavation on the environment is analyzed. The conclusions show the validity of this optimization and have certain reference value for the relevant excavation projects.
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    • References (11)
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