Study on the Influences of Empty Hole and In Situ Stress on Blasting-Induced Rock Damage

Study on the Influences of Empty Hole and In Situ Stress on Blasting-Induced Rock Damage

Blasting has been used extensively in deep underground excavation. In this paper, a numerical simulation LS-DYNA was carried out to investigate the influence of in situ stress and empty hole on rock fracture development. Based on the simulation process and existing laboratory data, the micromechanic...

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Bibliographic Details
Main Authors: Ningkang Meng, Jian-biao Bai, Wenlong Shen, Yong Chen, Xiangyu Wang, Wenda Wu, Bowen Wu
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Geofluids
Online Access:http://dx.doi.org/10.1155/2021/6643042
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