Dynamic evolution characteristics of mining-induced fractures in overlying strata detected by radon

Dynamic evolution characteristics of mining-induced fractures in overlying strata detected by radon 1 corresp first-author Corresponding author. E-mail address: zhangwei@cumt.edu.cn Corresponding author. E-mail address: zhangwei@cumt.edu.cn zhangwei@cumt.edu.cn 1 2 1 1 1 State Key Laboratory of Coal Resources and Safe Mining, School of Mines, China University of Mining & Technology, Xuzhou 221116, China State Key Laboratory of Coal Resources and Safe Mining, School of Mines, China University of Mining & Technology, Xuzhou 221116, China College of Geology and Exploration Engineering, Xinjiang University, Urumchi 830046, China College of Geology and Exploration Engineering, Xinjiang University, Urumchi 830046, China For environment protection in mining areas in northwest China, we developed a CTSRM (comprehensive test system by radon measurement) to measure radon radioactivity and detect dynamic evolution characteristics of mining-induced fractures in overlying strata. It was used to simulate the relationship between the dynamic evolution characteristics and radon concentrations of 33201 # coalface at Bulianta coal mine in Inner Mongolia, and feasibility of the method was validate. Radon detection Comprehensive test system Mining-induced fractures Physical simulation References Wang Y P , Shao M G , Zhang X C . Acta Ecol Sini , 2008 , 28 : 3769 - 3778 . Acta Ecol Sini Cao S X . Crit Revi Envi Sci & Tech , 2011 , 41 : 317 - 335 . Crit Revi Envi Sci & Tech Yang H K , Fan L M . Coal Geol Expl , 2003 , 31 : 6 - 8 . (in Chinese) Coal Geol Expl Zhang D S , Ma L Q , Wang X F , et al . Proc Eart Plan Sci , 2009 , 1 : 60 - 67 . Proc Eart Plan Sci Ma L Q , Zhang D S , Jing S G , et al . J China Univ Min Tech , 2008 , 18 ( 3 ): 347 - 352 . J China Univ Min Tech Fan G W , Zhang D S , Ma L Q . J China Univ Min Tech , 2011 , 40 : 196 - 201 . (in Chinese) J China Univ Min Tech Lennart M , Mats I , Krister K . Geoe , 1989 , 26 : 135 - 144 . Geoe Rohnsch W , Przyborowski S , Ettenhuber E . Radi Prot Dosi , 1992 , 45 ( S ): 127 - 132 . Radi Prot Dosi Jin Z X , Bai X J , Wang A G . J Nort China Inst Sci Tech , 2006 , 3 : 9 - 13 . (in Chinese) J Nort China Inst Sci Tech Ciotoli G , Etiope G , Guerra M , et al . Quar J Eng Geol Hydr , 2005 , 38 : 305 - 320 . Quar J Eng Geol Hydr 10.13538/j.1001-8042/nst.22.334-337 Supported by the National Natural Science Foundation of China (50904063 and 51004101) , the Fundamental Research Funds for the Central Universities (2010ZDP02B02) , and the State Key Laboratory of Coal Resources and Safe Mining (SKLCRSM08X02) . 2011-06-08 2011-12-20 2021-01-19 2011 Nuclear Science and Techniques 06 22