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《Journal of Anhui University of Science and Technology(Natural Science)》 2006-03
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Blasting Vibration Measurement Regress Analysis and Frequency Spectrum Analysis in Freezing Mine Shaft

MA Qin-yong,WANG Chang-bo (Dept.of Civil Engineering,Anhui University of Science and Technology,Huainan Anhui 232001,China)  
In order to guarantee the construction security and improve the sinking speed of the freezing shaft,blasting vibration test is necessary.Topbox vibration monitor was used and the measure points were fixed on the location biggish deflective freezing pipes in the on-site testing.The signals produced in the blasting of the frozen vertical shaft were extremely complex.Its vibration chief frequency was usually larger than that of ground blasting and there were several chief frequencies.Through a series of analysis,the authors found the following facts.The first chief frequency was about 150Hz.Radial vibration velocity was larger than that of vertical.Vertical shaft blasting vibration was much affected by shock wave.The relationship was also found between the radial and the vertical vibration velocity and the equivalent charge and equivalent horizontal distance.It was suggested that half-second or second postponed exploders are suitable to vertical frozen shaft blasting to prevent the quake wave from folding together.
【Fund】: 安徽省优秀青年科技基金资助项目(04043076);; 安徽理工大学博士基金资助项目(2005YB29)
【CateGory Index】: TD235
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1 Luo Mingrong1,Yu Jun1,Zhao Mingsheng2,Chi Enan2,3(1.Guizhou Xinlian Blasting Engineering Limited Corp,Guiyang,Guizhou 550002,China;2.School of Resources and Environment Engineering,Wuhan University of Technology,Wuhan,Hubei 430070,China;3.Mining College of Guizhou University;Guiyang,Guizhou 550003,China);Application of Response Rate as Safety Criteria in Analyses of Blasting Vibration[J];Mining Research and Development;2010-05
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4 LI Peng1,SHU Daqiang1,ZENG Feipeng2,LUO Zongxin2 (1.State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University,Wuhan 430072,China; 2.Fuzhou Power Plant of Huaneng Power,Changle 350200,China);Blasting vibration effects due to extension project construction of Fuzhou Power Plant and controlling[J];Engineering Journal of Wuhan University;2010-05
5 ZHAO Qing-yu1,YU Qi-cheng2,WU Mei-hong2(1.State Key Laboratory of Water Resources and Hydropower Engineering Science,Wuhan University,Wuhan 430072,China;2.Beixi Administration Bureau,Jiulongjiang,Fujian Province,Zhangzhou 363107,Fujian Province,China);The Influence of Water Tunnel Excavation on Surface Engineering of Blasting Vibration and Its Monitoring[J];China Rural Water and Hydropower;2011-09
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