[2] [2] ZHAO Huiqun,LI Shui.Application of milling and excavation technology in largesection soft rock tunnel construction [J].Highway,2016(8):263265.（in Chinese）

[4] [4] XIE Xionggang,LIU Jinwei,WANG Lei,et al.Test and study on swelling and cracking of outburst coal seam by static expansive agent [J].Journal of Coal Science,2016,41(10):26202625.（in Chinese）

[6] [6] PENG Huaide,LIU Dunwen,CHU Fujiao,et al.Test on high pressure gas expansion rock fragmentation in hard rock tunnel[J].Rock and Soil Mechanics,2018,39(1):242248.(in Chinese)

[8] [8] LIU Dunwen,ZHANG Zhaoling,CHU Fujiao,et al.Rockbreaking test of urban smallsection hard rock tunnel by highpressure gas expansion method [J].Blasting,2019,36(3):104111.（in Chinese）

[10] [10] WANG Zhaofeng,SUN Xiaoming,LU Tingkan,et al.Experiment research on strengthening gas drainage effect with fracturing technique by liquid CO2 phase transition[J].Journal of Henan Polytechnic University:Natural Science,2015,34(1):15.（in Chinese）

[12] [12] TAO Ming,ZHAO Taohua,LI Xibing,et al.Comprehensive comparative analysis of liquid CO2 phase change fracturing and explosive rock fracturing[J].Blasting,2018,35(2):41 49.（in Chinese）

[14] [14] DONG Qingxiang,WANG Zhaofeng,HAN Yabei.Research on TNT equivalent of liquid CO2 phasetransition fracturing[J].China Safety Science Journal,2014,24(11):8488.（in Chinese）

[16] [16] SUN Keming,XIN Liwei,WU Di et al.Simulation of fracture law of supercritical CO2 explosion under initial stress conditin[J].Journal of Vibration and Shock,2018,37(12):232238.（in Chinese）

[18] [18] MEI Bi,GAO Xing,FANG Ying,et al.Study on new fracturing pipe and safety technology of carbon dioxide expansion blasting [J].Blasting,2021,38(2):153159.（in Chinese）

[20] [20] FANG Ying.A combustible gas fracturing pipe filled in the hole,China: ZL 2019 2 2041169.2,11556458[P].2020925..（in Chinese）

[22] [22] FANG Ying.A flexible fracturing device filled in holes and its application method,China: 20211153943.1[P].20211217.（in Chinese）

[24] [24] FANG Ying，ZENG Qiping，GU Changqing，et al.A kind of flexible fracturing device filled in holes,China:ZL 2021 2 3161456.0,16567065[P].2022524.（in Chinese）

[26] [26] FANG Ying.An inhole filling flexible fracturing device and its application method,China: PCT/CN2021/138665[P].20211216.（in Chinese）

[27] [27] FANG Ying,CHEN Zhidong,ZHU Xiaotin，et al.Research on key technology of new air energy expansion blasting[C]∥Proceedings of the 13th International Symposium on Rock Fragmentation by Blasting.WANG Xuguang,ediror.Metallurgical Industry Press,Beijing,2022:647652.