Blasting, Volume. 42, Issue 2, 81(2025)

Study on Crack Propagation Law Induced by Millisecond Delay Blasting with Different Hole Spacing

CAO Yong-bang1, HUANG Jun-hong2,3、*, WANG Zi-xu1, CHEN Yang-long1, ZHANG Teng-sheng1,3, and LI Xin-ping1,3
Author Affiliations
  • 1School of Civil Engineering and Architecture, Wuhan University of Technology, Wuhan 430070, China
  • 2School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
  • 3Sanya Science and Education Innovation Park, Wuhan University of Technology, Sanya 572025, China
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    [15] [15] QIU Xian-yang, SHI Xiu-zhi, GOU Yong-gang, et al. Short-delay blasting with single free surface: Results of experimental tests[J]. Tunnelling and Underground Space Technology, 2018, 74: 119-130.

    [16] [16] A Saadatmand Hashemi, P Katsabanis. The effect of stress wave interaction and delay timing on blast-induced rock damage and fragmentation[J]. Rock Mechanics and Rock Engineering, 2020, 53(5): 2327-2346.

    [17] [17] WANG Zhong-kang, GU Xiao-wei, ZHANG Wen-long, et al. Analysis of the cavity formation mechanism of wedge cut blasting in hard rock[J]. Shock and Vibration, 2019: 1828313.

    [18] [18] CHEN Bao-bao, LIU Chang-you, YANG Jing-xuan. Design and application of blasting parameters for presplitting hard roof with the aid of empty-hole effect[J]. Shock and Vibration, 2018: 8749415.

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    CAO Yong-bang, HUANG Jun-hong, WANG Zi-xu, CHEN Yang-long, ZHANG Teng-sheng, LI Xin-ping. Study on Crack Propagation Law Induced by Millisecond Delay Blasting with Different Hole Spacing[J]. Blasting, 2025, 42(2): 81

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    Paper Information

    Category:

    Received: Jun. 19, 2024

    Accepted: Jun. 24, 2025

    Published Online: Jun. 24, 2025

    The Author Email: HUANG Jun-hong (457676324@qq.com)

    DOI:10.3963/j.issn.1001-487x.2025.02.010

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