Research Progress on Liquid CO₂ Phase-Transition Blasting Technology
DOI:
https://doi.org/10.54097/wa9vq489Keywords:
Liquid Carbon Dioxide, Phase-Transition Blasting, Rock Breaking Technology.Abstract
Liquid CO₂ phase-transition blasting, as an environmentally friendly and green rock-breaking technology, offers advantages such as high rock-breaking efficiency, low vibration, and no pollution. In recent years, it has become a hot research topic in the field of rock fragmentation and excavation, with rapid development. A large number of researchers have conducted extensive exploration of liquid CO₂ phase-transition blasting technology through theoretical analysis, experimental research, and numerical simulations. This paper reviews the progress made in this technology, explaining the rock-breaking mechanism of liquid CO₂ phase-transition blasting, reviewing the characteristics of the phase-transition cracking load and testing methods, summarizing the main influencing factors on the cracking load and cracking effect, and discussing the application of liquid CO₂ phase-transition blasting technology in various fields. The paper aims to provide a reference for the theoretical research and engineering application of liquid CO₂ phase-transition blasting technology.
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