BLASTING, Volume. 41, Issue 4, 61(2024)

Mechanism and Quantitative Characterization Method of Rock Clamping Effect in Medium-deep Hole Blasting of Steeply Inclined Narrow Vein Mining

WANG Zhi1... AN Long1,*, SUN Xing1,2 and FU Zhou-yun1 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, Northeastern University, Shenyang 110819, China
  • 2Xihe County Zhongbao Mining Co., Ltd., Longnan 742199, China
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    [6] [6] LAN R, WANG Z, LU J, et al. The influence of the number of free surfaces on the energy distribution and attenuation law of blasting vibration signals from peripheral holes: field experiment and simulation[J]. Frontiers in Earth Science, 2023, 11: 1-11.

    [9] [9] VISHWAKARMA A K, HIMANSHU V K, DEY K. Evaluation of optimum burden for the excavation of narrow vein ore deposits using numerical simulation[J]. Rock Mechanics and Rock Engineering, 2024, 57: 945-960.

    [10] [10] AN L, SUORINENI F T, XU S, et al. A feasibility study on confinement effect on blasting performance in narrow vein mining through numerical modelling[J]. International Journal of Rock Mechanics and Mining Sciences, 2018, 112: 84-94.

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    [12] [12] ROSSMANITH H P, DAEHNKE A, NASMILLNER R E K, et al. Fracture mechanics applications to drilling and blasting[J]. Fatigue & Fracture of Engineering Materials & Structures, 1997, 20(11): 1617-1636.

    [13] [13] XIAO C, YANG R, DING C, et al. Blasting damage of double cylindrical charges based on fractal theory[J]. Mechanics of Advanced Materials and Structures, 2023: 1-10.

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    [15] [15] PU C, YANG X, ZHAO H, et al. Numerical investigation on crack propagation and coalescence induced by dual-borehole blasting[J]. International Journal of Impact Engineering, 2021, 157: 1-17.

    [17] [17] ZHOU X-P, FU L, JU W, et al. An experimental study of the mechanical and fracturing behavior in PMMA specimen containing multiple 3D embedded flaws under uniaxial compression[J]. Theoretical and Applied Fracture Mechanics, 2019, 101: 207-216.

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    [23] [23] WANG Z, WANG H, WANG J, et al. Finite element analyses of constitutive models performance in the simulation of blast-induced rock cracks[J]. Computers and Geotechnics, 2021, 35: 1-12.

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    WANG Zhi, AN Long, SUN Xing, FU Zhou-yun. Mechanism and Quantitative Characterization Method of Rock Clamping Effect in Medium-deep Hole Blasting of Steeply Inclined Narrow Vein Mining[J]. BLASTING, 2024, 41(4): 61

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    Paper Information

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    Received: Mar. 26, 2024

    Accepted: Jan. 3, 2025

    Published Online: Jan. 3, 2025

    The Author Email: Long AN (anlong@mail.neu.edu.cn)

    DOI:10.3963/j.issn.1001-487x.2024.04.008

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