Analysis of unstable block by discrete element method during blasting excavation of fractured rock mass in underground mine

During the excavation process in fractured rock masses in underground mines, blasting excavation can cause dangerous block collapses on surrounding rock. The applicable blasting method can effectively reduce the damage of surrounding rock caused by blasting disturbance. In order to investigate the i...

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Bibliographic Details
Main Authors: Zhongyuan Gu, Miaocong Cao
Format: Article
Language:English
Published: Elsevier 2023-11-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844023097669