THEORY AND APPLICATION OF PREVENTION OF ROCK BURST BY ADVANCED DEEP HOLE ROOF BLASTING
ZHAO Shankun1，2，OUYANG Zhenhua1，2，LIU Jun3，ZHANG Guohua3， WANG Yongren1，2，LI Xiaolu1，2
(1. Mine Safety Technology Branch，China Coal Research Institute，Beijing 100013，China；2. State Key Laboratory of Coal Mining and Clean Utilization，China Coal Research Institute，Beijing 100013，China；3. Yuejin Coal Mine，Yima Coal Group Co.，Ltd.，Sanmenxia，Henan 472300，China)
Abstract：According to the analyzation of the process and influence factors of advanced deep hole blasting，its prevention and control mechanism for rock burst was demonstrated. The prevention effect was studied by changing the angle of blasting hole and the length of charge weight with ADINA numerical simulation software and its field practice effect was approved by different detecting methods from stress field and energy field. When the depth of the blast hole certain，the peak stress of high stress areas before workface reduce or transfer to deep coal at the three blasting hole arrangement in sector，which make the whole structure of coal-rock in a relatively stable low state. Furthermore，the angle of blasting hole larger and the length of charge longer，the shear stress decreasing zone bigger and the effect of rock burst control more obvious.
赵善坤1，2，欧阳振华1，2，刘 军3，张国华3，王永仁1，2，李晓璐1，2. 超前深孔顶板爆破防治冲击地压原理分析及实践研究[J]. 岩石力学与工程学报, 2013, 32(s2): 3768-3775.
ZHAO Shankun1，2，OUYANG Zhenhua1，2，LIU Jun3，ZHANG Guohua3，. THEORY AND APPLICATION OF PREVENTION OF ROCK BURST BY ADVANCED DEEP HOLE ROOF BLASTING. , 2013, 32(s2): 3768-3775.
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2013, Vol. 32 
