Citation

Wu L, Xiao L, Liu X, Yao C, Jiang Q, Zhou C. China Saf. Sci. J. 2020; 30(4): 160-165.

Copyright

(Copyright © 2020, China Occupational Safety and Health Association, Publisher Gai Xue bao)

DOI

10.16265/j.cnki.issn1003-3033.2020.04.025

PMID

unavailable

Abstract

In order to explore overtopping break reactions of dam constructed by tailings of different particle sizes, with tailings of Yancang tailings pond in Yongping Copper Mine used as dam material, physical dam-break test was carried out with medium sand, fine sand and silt. Then, numerical simulation was conducted for verification by using FLOW3D software. The results show that when middle sand is used, dam collapse is mainly represented by surface scouring and displacement failure while being represented majorly by downward erosive when silt is used, and is both of them in the case of fine sand. The physical test and numerical simulation achieve good consistency in terms of dam break flow and time, etc., which indicates reliability of the method combining both test and numerical calculation in simulating tailings dam break. © 2020 China Safety Science Journal. All rights reserved.

Language: zh