Analysis and Discussion on Subway Construction Accidents from Geological Perspective

Authors

  • Yuanjian Lin The State Key Laboratory for GeoMechanics and Deep Underground Engineering, and School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China; School of Science, Nanchang Institute of Science and Technology, Nanchang 330108, China
  • Jiangfeng Liu The State Key Laboratory for GeoMechanics and Deep Underground Engineering, and School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China
  • Ronghao Lv The State Key Laboratory for GeoMechanics and Deep Underground Engineering, and School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China
  • Chenyi Sun The State Key Laboratory for GeoMechanics and Deep Underground Engineering, and School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China
  • Zhendong Fan The State Key Laboratory for GeoMechanics and Deep Underground Engineering, and School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China

DOI:

https://doi.org/10.30564/jgr.v1i2.1249

Abstract

Several cave-in accidents often occur in subway construction, causing personnel and economic losses. This paper has carried on the statistics and analysis of some typical subway construction accidents in recent years. Taking the collapse accident of a subway station in Hangzhou as the engineering background, the causes of the collapse of the foundation pit were analyzed. The analysis found that groundwater, earthwork over-excavation, weak support design and inadequate monitoring are the main reasons. These factors should be highlighted in the construction of similar projects in the future to avoid similar tragedies.

Keywords:

Subway station; Foundation pit; Collapse; Earthwork excavation

References

[1] Liu JF, Qi TY, Wu ZR. Analysis of ground movement due to metro station driven with enlarging shield tunnels under building and its parameter sensitivity analysis. Tunnelling and Underground Space Technology, 2012, 28(3): 287–296

[2] Tan J , Yang L , Grimmond C S B , et al. Urban Integrated Meteorological Observations: Practice and Experience in Shanghai, China. Bulletin of the American Meteorological Society, 2015, 96(1): 85-102.

[3] Chen Y, Hu Q, Chen R. Soil disturbance by the collapse of retaining wall for a pit excavation and the induced additional settlement:a case study of Hangzhou Metro Xianghu Station. China Civil Engineering Journal, 2014, 47(7): 110-117.

[4] Cui Q L , Wu H N , Shen S L , et al. Chinese karst geology and measures to prevent geohazards during shield tunnelling in karst region with caves[J]. Natural Hazards, 2015, 77(1): 129-152.

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How to Cite

Lin, Y., Liu, J., Lv, R., Sun, C., & Fan, Z. (2019). Analysis and Discussion on Subway Construction Accidents from Geological Perspective. Journal of Geological Research, 1(2), 41–44. https://doi.org/10.30564/jgr.v1i2.1249

Issue

Vol. 1 , Iss. 2 (July 2019)

Article Type

Articles

License

Copyright © 2019 Yuanjian Lin, Jiangfeng Liu, Ronghao Lv, Chenyi Sun, Zhendong Fan

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