Research on pulse electric explosion synergistic rock breaking technology

Xu Youlai; Liu Yi; Huang Shijie; Li Liuxia; Lin Fuchang

doi:10.11884/HPLPB202537.240350

Volume 37 Issue 5

Mar. 2025

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Article Navigation > High Power Laser and Particle Beams > 2025 > 37(5): 055001

Xu Youlai, Liu Yi, Huang Shijie, et al. Research on pulse electric explosion synergistic rock breaking technology[J]. High Power Laser and Particle Beams, 2025, 37: 055001. doi: 10.11884/HPLPB202537.240350

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Xu Youlai, Liu Yi, Huang Shijie, et al. Research on pulse electric explosion synergistic rock breaking technology[J]. High Power Laser and Particle Beams, 2025, 37: 055001. doi: 10.11884/HPLPB202537.240350

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Research on pulse electric explosion synergistic rock breaking technology

doi: 10.11884/HPLPB202537.240350

Xu Youlai^1
,,
Liu Yi^{1, 2
,
,},
Huang Shijie¹,
Li Liuxia^{1, 2},
Lin Fuchang^{1, 2}

1.
State Key Laboratory of Advanced Electromagnetic Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
2.
Key Laboratory of Pulsed Power Technology (Huazhong University of Science and Technology), Ministry of Education, Wuhan 430074, China

Received Date: 2024-10-08
Accepted Date: 2025-01-09
Rev Recd Date: 2025-01-09

Available Online: 2025-02-09

Publish Date: 2025-03-31

Abstract

Abstract

Electric blasting based on electromagnetic energy equipment has great application prospects in foundation pit engineering. This article proposes the synergistic rock breaking technology based on pulse power supply and electric explosion load arrays, which achieves controllable electric blasting of large volume hard rock through the superposition of multiple shock waves. The article analyzes the mechanism of overvoltage in the process of electric explosion and the mechanism of overvoltage conduction in the multi-array collaborative process, and proposes the overvoltage suppression method. It compares the rock breaking effects of single pulse power supply and multi-array and the specific energy consumption of the dual load array is 38% of a single load for rock breaking, which indicates the electric explosion load array can effectively achieve controllable electric blasting of large volume hard rocks.
- electric blasting,
- multi-array collaboration,
- overvoltage,
- large volume hard rock

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References(41)

References

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