Cause Analysis and Preventive Measures of Guizhou D2809 Train Derailment Accident in Guizhou, China on 4 June 2022

Yan-Ning Wang (), Han Chen, Bin-Song Jiang, Jing-Rui Peng and Jun Chen
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Yan-Ning Wang: MOE Key Laboratory of Intelligence Manufacturing Technology, Department of Civil and Environmental Engineering, Shantou University, Shantou 515063, China
Han Chen: MOE Key Laboratory of Intelligence Manufacturing Technology, Department of Civil and Environmental Engineering, Shantou University, Shantou 515063, China
Bin-Song Jiang: State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, China
Jing-Rui Peng: MOE Key Laboratory of Intelligence Manufacturing Technology, Department of Civil and Environmental Engineering, Shantou University, Shantou 515063, China
Jun Chen: Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200030, China

IJERPH, 2022, vol. 19, issue 24, 1-14

Abstract: This paper summarizes the cause of the debris flow impact train accident by investigating the local geological condition, meteorological data and field investigation that happened in Guizhou, China on 4 June 2022. The result showed that the major reason is the continuous heavy rain in the surrounding area, which led to a small landslide at the upper right of the tunnel entrance. Besides, the construction of the Jianrong Expressway in the upper reaches increased the catchment area, which makes the water content of the upper soil increase while the shear strength decreases. Such large-scale catastrophic accidents significantly threaten the local environment and public safety. Therefore, it is urgent to pay special attention to the changes in geological conditions along the line, especially the adverse effects of construction, to improve the early risk warning and post-accident treatment ability.

Keywords: train derailment; debris flow; accident rescue; prevention and control; Guizhou (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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