Geomechanics and Engineering

  • 제12권2호
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  • Pages.185-195
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  • 2017
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  • 2005-307X(pISSN)
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  • 2092-6219(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Prediction methods on tunnel-excavation induced surface settlement around adjacent building

  • Ding, Zhi (Department of Civil Engineering, Zhejiang University City College) ;
  • Wei, Xin-jiang (Department of Civil Engineering, Zhejiang University City College) ;
  • Wei, Gang (Department of Civil Engineering, Zhejiang University City College)
  • 투고 : 2016.02.04
  • 심사 : 2016.10.03
  • 발행 : 2017.02.25
⟨ 이전 논문 다음 논문 ⟩

초록

With the rapid development of urban underground traffic, the study of soil deformation induced by subway tunnel construction and its settlement prediction are gradually of general concern in engineering circles. The law of soil displacement caused by shield tunnel construction of adjacent buildings is analyzed in this paper. The author holds that ground surface settlement based on the Gauss curve or Peck formula induced by tunnel excavation of adjacent buildings is not reasonable. Integrating existing research accomplishments, the paper proposed that surface settlement presents cork distribution curve characters, skewed distribution curve characteristics and normal distribution curve characteristics when the tunnel is respectively under buildings, within the scope of the disturbance and outside the scope of the disturbance. Calculation formulas and parameters on cork distribution curve and skewed distribution curve were put forward. The numerical simulation, experimental comparison and model test analysis show that it is reasonable for surface settlement to present cork distribution curve characters, skewed distribution curve characteristics and normal distribution curve characteristics within a certain range. The research findings can be used to make effective prediction of ground surface settlement caused by tunnel construction of adjacent buildings, and to provide theoretical guidance for the design and shield tunnelling.

키워드

과제정보

연구 과제 주관 기관 : Chinese National Natural Science Foundation

참고문헌

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  11. Research and Application of Intelligent Monitoring System Platform for Safety Risk and Risk Investigation in Urban Rail Transit Engineering Construction vol.2021, pp.None, 2017, https://doi.org/10.1155/2021/9915745
  12. Observed performance of a 30.2 m deep-large basement excavation in Hangzhou soft clay vol.111, pp.None, 2017, https://doi.org/10.1016/j.tust.2021.103872
  13. Investigation on the Surface Settlement of Curved Shield Construction in Sandy Stratum with Laboratory Model Test vol.39, pp.8, 2017, https://doi.org/10.1007/s10706-021-01840-w