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Volume 36 Issue zk2
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YE Shuai-hua, CHEN Chang-liu, KOU Wei-wei, ZHU Yan-peng. Displacement monitoring and deformation characteristics of a deep foundation pit in Lanzhou[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 440-445. DOI: 10.11779/CJGE2014S2076
Citation: YE Shuai-hua, CHEN Chang-liu, KOU Wei-wei, ZHU Yan-peng. Displacement monitoring and deformation characteristics of a deep foundation pit in Lanzhou[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(zk2): 440-445. DOI: 10.11779/CJGE2014S2076
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Displacement monitoring and deformation characteristics of a deep foundation pit in Lanzhou

  • 1. Key Laboratory of Disaster Prevention and Mitigation in Civil Engineering of Gansu Province, Lanzhou University of Technology, Lanzhou 730050, China;
    2. Western Engineering Research Center of Disaster Mitigation in Civil Engineering of Ministry of Education, Lanzhou University of Technology, Lanzhou 730050, China;
    3. Gansu Zhongwei Construction Cost Consulting Co., Ltd., Lanzhou 730050, China;
    4. China Mobile Group Gansu Co., Ltd., Lanzhou 730050, China

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  • Received Date: July 27, 2014
  • Published Date: July 27, 2014
    Graphical Abstract
    • Abstract
  • Taking the deep foundation pit of China Mobile Group Gansu Co., Ltd. as an example, a total of 20 monitoring points are arranged around the excavation sideline of the foundation pit. The horizontal displacements and vertical displacements at the monitoring points are monitored respectively in real time during the process of excavation construction. According to the monitoring results, the deformation characteristics of soil-nailing composite pre-stressed anchor supporting wall, soil-nailing wall and row-pile composite pre-stressed anchor supporting structures are analyzed. The monitoring and analysis results show that the design scheme for the supporting structures is reasonable, the effectiveness is good and the requirements of design and environment are satisfied. The experience gained from this project plays a guiding role in the similar projects in Lanzhou. The monitoring results also show the applicability of soil-nailing composite pre-stressed anchor supporting wall, soil-nailing wall and row-pile composite pre-stressed anchor supporting structures in Lanzhou area.
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    • References (5)
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    JGJ 167—2009 湿陷性黄土地区建筑基坑工程安全技术规程[S]. 北京: 中国建筑工业出版社, 2009. (JGJ 167—2009 Technical specifications for safe retaining and protection of building foundation excavation engineering in collapsible loess regions[S]. Beijing: China Architecture and Building Press, 2009. (in Chinese))
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