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Discussion of Type Selection and Design on Waterproof Curtainfor Deep-Foundation Pit in Neighbouring Huangpu River Area

Received: 13 August 2018     Accepted: 6 September 2018     Published: 13 October 2018
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Abstract

Based on the distribution characteristics of burial depth and thickness of confined aquifers adjacent to the Huangpu River area, for the deep-foundation pits of two floors basement, the conventional tri-axial deep stirring pile is usually used to cut off the confined aquifer; for the deep-foundation pits of three floors basement or beyond, the burial depth and thickness of confined aquifer in each site are quite different, correspondingly, the selection and design of the waterproof curtain of the confined aquifer is relatively complicated. In order to induce engineering accidents due to the failure of the water curtain, the problem of confined water had to be studied and dealt seriously and scientifically. Based on the two engineering examples adjacent to the Huangpu River, this paper focuses on the complexity of the confined water problem of the deep-foundation pit projects in three floors basement or beyond, and the selection and design of the waterproof curtain.Different design schemes are recommended by discussing the economy and rationality of design schemes, evaluating construction feasibility and analyzing the complexity of construction quality control. The result of research shows that for the waterproof curtain of the deep-foundation pit in three floors underground or more, considering the large construction depth, the TRD method and the underground diaphragm wall are better.

Published in International Journal of Natural Resource Ecology and Management (Volume 3, Issue 4)
DOI 10.11648/j.ijnrem.20180304.12
Page(s) 53-57
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Deep-Foundation Pit,Waterproof Curtain,More Than Three Floors Underground,Adjacent to Huangpu River Area

References
[1] Weng Q P, Wang W D. Design and application of control of confined groundwater in deep foundation pits[J]. Chinese Journal of Geotechnical Engineering, 2008, 10 (S30): 343-348.
[2] Dai B, Wang W D. Discussions on technologies of deep foundation pit projects affected by confined water[J].Chinese Journal of Geotechnical Engineering,2006, 11 (S28): 1659-1663.
[3] Liu G B, Wang W D. Foundation pit engineering handbook (second edition) [M]. Beijing: China Architecture&Building Press, 2009.
[4] Yang J B, Zhang C B, Gu Y P, et al. Analysis of the heave-piping stability of foundation pits based on a Monte-Carlo method[J].Shanghai Land &Resources, 2014, 35 (3): 78-81.
[5] Yang X J, Jiang W H. Application of extra-deep tri-axial mixing pile water-stop curtain in deep excavation pit [J]. Underground Engineering and Tunnels, 2009, 1: 28-34.
[6] Zhang Z X, Li X, Xie Z L, et al. Technology of ultra-deep tri-axial cement-soil mixed piles and its application in deep excavation [J]. Chinese Journal of Geotechnical Engineering, 2010, 32 (S2): 383-386.
[7] Song Z J, Hua S H, You X C. Key problems and countermeasures for implementation of TRD construction method for deep and large foundation [J]. Building Construction, 2014, 12: 1325-1326.
[8] Wu J M, Zhang G L.Application forms of TRD method in deep foundation excavation in soft soil [J]. 2014,13:23-26.
[9] Wang W D, Di G E. Engineering practices of constant thickness steel cement-soil wall constructed by TRD method[J]. Chinese Journal of Geotechnical Engineering, 2012, 11 (S34): 628-633.
[10] Huang X L, He Y, Zhan G H. analysis of the optimization of deep-foundation pit dewatering design and the effect of a waterproof curtain[J].Shanghai Land &Resources, 2014, 35 (2): 25-27.
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  • APA Style

    Yang Jibao, Dong Linbing. (2018). Discussion of Type Selection and Design on Waterproof Curtainfor Deep-Foundation Pit in Neighbouring Huangpu River Area. International Journal of Natural Resource Ecology and Management, 3(4), 53-57. https://doi.org/10.11648/j.ijnrem.20180304.12

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    ACS Style

    Yang Jibao; Dong Linbing. Discussion of Type Selection and Design on Waterproof Curtainfor Deep-Foundation Pit in Neighbouring Huangpu River Area. Int. J. Nat. Resour. Ecol. Manag. 2018, 3(4), 53-57. doi: 10.11648/j.ijnrem.20180304.12

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    AMA Style

    Yang Jibao, Dong Linbing. Discussion of Type Selection and Design on Waterproof Curtainfor Deep-Foundation Pit in Neighbouring Huangpu River Area. Int J Nat Resour Ecol Manag. 2018;3(4):53-57. doi: 10.11648/j.ijnrem.20180304.12

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  • @article{10.11648/j.ijnrem.20180304.12,
      author = {Yang Jibao and Dong Linbing},
      title = {Discussion of Type Selection and Design on Waterproof Curtainfor Deep-Foundation Pit in Neighbouring Huangpu River Area},
      journal = {International Journal of Natural Resource Ecology and Management},
      volume = {3},
      number = {4},
      pages = {53-57},
      doi = {10.11648/j.ijnrem.20180304.12},
      url = {https://doi.org/10.11648/j.ijnrem.20180304.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijnrem.20180304.12},
      abstract = {Based on the distribution characteristics of burial depth and thickness of confined aquifers adjacent to the Huangpu River area, for the deep-foundation pits of two floors basement, the conventional tri-axial deep stirring pile is usually used to cut off the confined aquifer; for the deep-foundation pits of three floors basement or beyond, the burial depth and thickness of confined aquifer in each site are quite different, correspondingly, the selection and design of the waterproof curtain of the confined aquifer is relatively complicated. In order to induce engineering accidents due to the failure of the water curtain, the problem of confined water had to be studied and dealt seriously and scientifically. Based on the two engineering examples adjacent to the Huangpu River, this paper focuses on the complexity of the confined water problem of the deep-foundation pit projects in three floors basement or beyond, and the selection and design of the waterproof curtain.Different design schemes are recommended by discussing the economy and rationality of design schemes, evaluating construction feasibility and analyzing the complexity of construction quality control. The result of research shows that for the waterproof curtain of the deep-foundation pit in three floors underground or more, considering the large construction depth, the TRD method and the underground diaphragm wall are better.},
     year = {2018}
    }
    

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  • TY  - JOUR
    T1  - Discussion of Type Selection and Design on Waterproof Curtainfor Deep-Foundation Pit in Neighbouring Huangpu River Area
    AU  - Yang Jibao
    AU  - Dong Linbing
    Y1  - 2018/10/13
    PY  - 2018
    N1  - https://doi.org/10.11648/j.ijnrem.20180304.12
    DO  - 10.11648/j.ijnrem.20180304.12
    T2  - International Journal of Natural Resource Ecology and Management
    JF  - International Journal of Natural Resource Ecology and Management
    JO  - International Journal of Natural Resource Ecology and Management
    SP  - 53
    EP  - 57
    PB  - Science Publishing Group
    SN  - 2575-3061
    UR  - https://doi.org/10.11648/j.ijnrem.20180304.12
    AB  - Based on the distribution characteristics of burial depth and thickness of confined aquifers adjacent to the Huangpu River area, for the deep-foundation pits of two floors basement, the conventional tri-axial deep stirring pile is usually used to cut off the confined aquifer; for the deep-foundation pits of three floors basement or beyond, the burial depth and thickness of confined aquifer in each site are quite different, correspondingly, the selection and design of the waterproof curtain of the confined aquifer is relatively complicated. In order to induce engineering accidents due to the failure of the water curtain, the problem of confined water had to be studied and dealt seriously and scientifically. Based on the two engineering examples adjacent to the Huangpu River, this paper focuses on the complexity of the confined water problem of the deep-foundation pit projects in three floors basement or beyond, and the selection and design of the waterproof curtain.Different design schemes are recommended by discussing the economy and rationality of design schemes, evaluating construction feasibility and analyzing the complexity of construction quality control. The result of research shows that for the waterproof curtain of the deep-foundation pit in three floors underground or more, considering the large construction depth, the TRD method and the underground diaphragm wall are better.
    VL  - 3
    IS  - 4
    ER  - 

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Author Information
  • Shanghai Municipal Engineering Design Institute (Group) Co. Ltd, Shanghai, China

  • Shanghai Municipal Engineering Design Institute (Group) Co. Ltd, Shanghai, China

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