铁道科学与工程学报2018，Vol.15Issue(6)：1406-1414,9.
液态CO2相变破岩技术述评研究
Research and review about the liquid CO2 phase-transforming rock fracturing technology
摘要
Abstract
Since the liquid CO2 phase-transforming rock fracturing technology has been developed, its application has been widened from the area of coal seam permeability increment to rock fracture and fragmentation. As a physical rock fracturing technology, it overcomes the drawbacks of the devastating damage and high risk of explosive detonation, and enlightens a new thought of rock excavation method. With the development of phase-transforming fracturing technology, the energy utilization rate of fracturing has been promoted, and the operation technique has been improved, while the fracturing performance is becoming better and more controllable. However, the investigation on the mechanism of this technology has just started, and some significant issues still remain untouched. The theory on understanding the phase-transforming fracturing technology is far more behind its usage in practical engineering, which limits its further development and wider application in the area of rock fragmentation, particularly in deep underground rock engineering. This paper introduced the origination and principle of the liquid CO2 phase-transforming (rock) fracturing technology, overviewed the current applications and progresses. Besides, key scientific problems and future research emphasis were prospected.关键词
液态CO2/相变破岩/气体爆破/致裂机理/研究进展Key words
liquid CO2/phase-transforming rock fracturing/gas blasting/fracturing mechanism/research progress分类
建筑与水利引用本文复制引用
谢晓锋,李夕兵,李启月,马海鹏,方莹,刘小雄..液态CO2相变破岩技术述评研究[J].铁道科学与工程学报,2018,15(6):1406-1414,9.基金项目
国家自然科学基金资助项目(41630642) （41630642）
国家重点研发计划资助项目(2016YFC0600706) （2016YFC0600706）
