Author(s)

PengJin Liu¹, Jie Wang², JiaFa Du¹, JianFei Sun^2*, YongLiang Zhang², HongWei Mu²

Affiliation(s)

¹Qinghai Shanjin Mining Co. Ltd., Haixi 817000, Qinghai, China.

²School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266000, Shandong, China.

Corresponding Author

JianFei Sun

ABSTRACT

When an earthquake and precipitation coincide, there is a considerable increase in the danger of tailing dam instability. This work chooses a typical metal mine tailing dam in the Jiaodong area and numerically models the danger of tailing dam instability under the coupling of earthquake and rainfall. The simulation is based on the genuine demand for efficient warning of tailing dam instability under extreme natural conditions. The analysis focuses on the tailing dam's displacement and instability risk in the event of a strong earthquake, intense rainfall, or a combination of the two. According to the simulation results, the middle and upper portions of the accumulation dam exhibit the largest horizontal displacement of the tailing dam, while the rainfall coupling condition exhibits the maximum horizontal displacement of the dam body. According to the study, there is a higher risk of dam failure in the upper-middle region of the tailing dam, and in two extremely harsh natural settings, an earthquake will have a more significant effect on the stability of the dam. The study's findings offer a solid scientific foundation for emergency planning and for monitoring and warning of tailing dams during severe natural disasters.

KEYWORDS

Tailing dam; Rainfall and earthquake; Coupling action; Dynamic response

CITE THIS PAPER

PengJin Liu, Jie Wang, JiaFa Du, JianFei Sun, YongLiang Zhang, HongWei Mu. Simulation analysis of the dynamic response characteristics of a typical gold mine tailing dam under the coupling of earthquake and rainfall. World Journal of Engineering Research. 2025, 3(1): 8-19. DOI: https://doi.org/10.61784/wjer3012.

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