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Research on Rock Fracturing Technology based on Liquid Oxygen Energy Storage
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Zhen LEI1, Yan-bing WANG2a, 2b, Dai-rui FU2a, Zhe-hang HUANG2a, Chen ZHANG3
Blasting | 2025, 42(1) : 151 - 158
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Blasting | 2025, 42(1): 151-158
• BLASTING MATERIALS •
Research on Rock Fracturing Technology based on Liquid Oxygen Energy Storage
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Zhen LEI1, Yan-bing WANG2a, 2b, Dai-rui FU2a, Zhe-hang HUANG2a, Chen ZHANG3
Affiliations
  • 1.Institute of Mining Engineering, Guizhou University of Technology, Guiyang 550003, China
  • 2a.School of Mechanics and Civil Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
  • 2b.State Key Laboratory for Tunnel Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
  • 3.Guizhou Jinjian Construction Engineering Company Limited, Guiyang 550000, China
Published: 2025-07-20 doi: 10.3963/j.issn.1001-487X.2025.01.018
Outline
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As rock-breaking technology advances, the limitations of traditional explosive methods are increasingly evident. The liquid oxygen energy storage method, a new non-explosive technique, presents an uncertain blasting mechanism and scientific challenges that must be addressed. Field vibration tests were conducted to analyze the variation trends and the decay characteristics of peak vibration velocities in particles to further characterize the liquid oxygen energy storage rock-breaking blasts and address the challenges of applying empirical methods on-site. Additionally, indoor small-scale blasting experiments were performed to identify key parameters for small liquid oxygen charges. The experimental results reveal that the liquid oxygen energy storage effectively fractures rocks while maintaining low dust and noise levels. Peak particle vibration velocities at 3 m, 6 m, and 10 m under single blast conditions were 3.04, 1.24, and 0.62 cm/s, respectively. The small-scale charge tests reveal that for the liquid oxygen charge to detonate successfully and effectively fracture the rock, appropriate inflation time and pressure are required to prevent detonation and other issues. Increased inflation time and pressure lead to more significant adsorption of liquid oxygen by the charge's absorbent, facilitating saturation and enhancing detonation probability. Overall, the liquid oxygen energy storage method stands out due to its low vibration, environmental friendliness, and non-polluting nature, marking a significant potential advancement in engineering blasting.

liquid oxygen energy storage  /  rock fragmentation  /  blasting vibration  /  gas rock breaking
Zhen LEI, Yan-bing WANG, Dai-rui FU, Zhe-hang HUANG, Chen ZHANG. Research on Rock Fracturing Technology based on Liquid Oxygen Energy Storage[J]. Blasting, 2025 , 42 (1) : 151 -158 . DOI: 10.3963/j.issn.1001-487X.2025.01.018
Funding
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  • National key research and development program(2021YFC2902103)
  • Key Program of National Natural Science Foundation of China(51934001)
  • the Fundamental Research Funds for the Central Universities(2023JCCXLJ02)
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Year 2025 volume 42 Issue 1
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120
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Article Info
doi: 10.3963/j.issn.1001-487X.2025.01.018
  • Receive Date：2024-05-19
  • Online Date：2026-03-18
  • Published：2025-07-20
Article Data
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History
  • Received：2024-05-19
Funding
National key research and development program(2021YFC2902103)
Key Program of National Natural Science Foundation of China(51934001)
the Fundamental Research Funds for the Central Universities(2023JCCXLJ02)
Affiliations
    1.Institute of Mining Engineering, Guizhou University of Technology, Guiyang 550003, China
    2a.School of Mechanics and Civil Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
    2b.State Key Laboratory for Tunnel Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China
    3.Guizhou Jinjian Construction Engineering Company Limited, Guiyang 550000, China

Corresponding:

WANG Yan-bing (1987-), male, Ph. D, associate professor, mainly engaged in research on rock dynamics and geotechnical blasting direction, (E-mail) .
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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