Prevention and control technologies for abnormal gas emission in tunnel construction through unstable coal-bearing strata
1China Railway 18th Bureau Group Co., Ltd., Tianjin 300222, China
2China Railway 23rd Bureau Group Co., Ltd., Chengdu Sichuan 610072, China
3School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou Jiangsu 221116, China
4School of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo Henan 454003, China
5School of Qilu Transportation, Shandong University, Ji'nan Shandong 250002, China
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