Investigation of Rock Joint and Fracture Influence on Delayed Blasting Performance
Pengfei Zhang,
Runcai Bai,
Xue Sun
et al.
Abstract:Geological structures such as joints and faults in rock mass have a significant influence on open-pit mining. Hence, it is critical to develop an understanding of dynamic joint behavior under blasting loading. This, in turn, can provide both theoretical and practical guidance to improve blasting rock fragmentation and associated bucket excavating efficiency. In this paper, delayed blasting on a highwall bench at an open-pit mine is used as an example; a nonlinear joint blasting model is also constructed. By si… Show more
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