Journal of Jilin University(Earth Science Edition) ›› 2019, Vol. 49 ›› Issue (6): 1698-1705.doi: 10.13278/j.cnki.jjuese.20190003

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Influence of Excavation of a Deep Excavation on the Surrounding Environment

Sun chao, Xu Chengjie   

  1. School of Geometrics and Prospecting Engineering, Jilin Jianzhu University, Changchun 130118, China
  • Received:2019-01-03 Published:2019-11-30
  • Supported by:
    Supported by Research on Ministry of Housing and Urban-Rural Development Project(2012-K3-16)

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Abstract: In order to study the influence of deep foundation pit excavation on the surrounding environment, the excavation process of a deep foundation pit in Changchun was numerically simulated for its effect on the surrounding buildings by using Midas GTS/NX software. Compared with the on-site monitoring records, the changes of the surrounding environment were discussed. The results show that the calculated results are basically consistent with the measured results; the deep foundation pit excavation caused a displacement of the enclosure structure towards the foundation pit, and the maximum displacement is 10.8 mm, 2.9 mm larger than that of the actual monitoring data of 7.9 mm; for the shallow foundation in the buildings, the settlement and surface settlement of the buildings are different from those of a foundation pit at 0.6H-0.8H (excavation depth of foundation pit), and the building settlement is uneven.

Key words: excavation, surrounding environment, numerical simulation, data analysis

CLC Number: 

  • TU47
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