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Volume 37 Issue zk1
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WANG Wei-dong, CHEN Yong-cai, WU Guo-ming. Impact analysis and macro-deformation control measures of TRD construction cement-soil mixing walls[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(zk1): 1-5. DOI: 10.11779/CJGE2015S1001
Citation: WANG Wei-dong, CHEN Yong-cai, WU Guo-ming. Impact analysis and macro-deformation control measures of TRD construction cement-soil mixing walls[J]. Chinese Journal of Geotechnical Engineering, 2015, 37(zk1): 1-5. DOI: 10.11779/CJGE2015S1001
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Impact analysis and macro-deformation control measures of TRD construction cement-soil mixing walls

  • 1. Department of Underground Structure & Geotechnical Engineering, East China Architecture Design & Research Institute, Shanghai 200002, China; 2. Shanghai Engineering Research Center of Safety Control for Facilities Adjacent to Deep Excavations, Shanghai 200002, China; 3. Shanghai Guangda Foundation Engineering Co., Ltd., Shanghai 200032, China

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  • Received Date: March 25, 2015
  • Published Date: July 24, 2015
    Graphical Abstract
    • Abstract
  • TRD construction cement-soil mixing walls have been increasingly used in deep and large excavations. The TRD construction will disturb the soils around construction panels and hence influence the nearby facilities when it is used in urban areas. Field monitoring is carried out on lateral soil displacements and ground surface settlements during TRD construction in three projects, i.e., Hongqiao Business District-08 block (phase I), Shanghai Xisiwenli excavation on Xinzha Road, and Shanghai International Financial Center. Based on the field monitoring results, the impact of TRD construction on the nearby environment is systematically analyzed. It is shown that the overall influence of TRD construction on the nearby environment is small. Both the measured maximum ground surface settlement and lateral soil displacement are less than 10 mm in all the three cases. Moreover, the influence zone of TRD construction is within 10 m away from the panel. Some measures for minimizing the deformation during TRD construction are also proposed and discussed.
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    • References (7)
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