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孔距、排距对高台阶抛掷爆破抛掷率的影响

Keywords: 孔网参数,高台阶,抛掷爆破,抛掷率

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Abstract:

为了研究高台阶抛掷爆破中是否也存在最优的间、排距,在黑岱沟露天煤矿进行了大量现场试验,试验结果表明:在黑岱沟露天矿高台阶抛掷爆破中,排距不变,孔距增大.爆堆的前沿抛距基本不变,抛掷率随着炮孔密集系数的增大而增大.当m>1.6时,抛掷率开始下降.与孔距相比,排距变化对抛距的影响程度要大一些.在高台阶抛掷爆破中确实存在有利于抛掷的最佳间、排距,只是因为试验的台阶高度、单耗等参数的不同,最佳m值存在差别.在黑岱沟露天矿特定的试验条件下可以认为,当1.45

References

[1]  郑炳旭,张志毅.条形药包爆破理论与技术[J].工程爆破,2003,9(1):22-26. Zheng Bingxu,Zhang Zhiyi. Linear charge blasting theory and technology[J]. Engineering Blasting, 2003,9(1):22-26. (in Chinese)
[2]  高荫桐,谭权,龚敏.条形药包与分集药包可比性研究[J].煤炭工程,2004,10:45-47. Gao Yintong,Tan Quan,Gong Min. Experimental study on comparabilityof linear and sub-concentrated charge[J]. Coal, 2004,10:45-47. (in Chinese)
[3]  高荫桐,田运生,杨仕春,等.平面药包爆破抛掷规律的试验研究[J].工程爆破,2004,10(2):13-16. Gao Yintong,Tian Yunsheng,Yang Shichun,et al. Plane charge thrown experimental study on the blasting[J]. Engineering Blasting,2004,10(2):13-16. (in Chinese)
[4]  高荫桐,孟海利,刘殿中.集中药包和分集药包爆破效果的试验研究[J].工程爆破, 2004,10(1):59-62. Gao Yintong, Meng Haili, Liu Dianzhong. Experimental study on the effects of blasting with concentrated and sub-concentrated charges[J]. Engineering Blasting, 2004,10(1):59-62. (in Chinese)
[5]  颜世龙.集中药包与条形药包爆破能量分布的研究 .北京:铁道科学研究院,1994. Yan Shilong. Linear charge concentrated charge and energy distribution of blasting .Beijing: Academy of Railway Sciences, 1994. (in Chinese)
[6]  傅洪贤,李克民.露天煤矿高台阶抛掷爆破参数分析[J]. 煤炭学报, 2006, 31(4):442-445. Fu Hongxian,Li Kemin. Analysis of high bench cast blasting parameters in surface coal mines[J]. Journal of China Coal Society, 2006,31(4):442-445. (in Chinese)
[7]  杨国华,张殿辉.浅谈影响露天矿抛掷爆破效果的因素[J].内蒙古煤炭经济,2008(6):55-57. Yang Guohua,Zhang Dianhui. On the effect of the factors cast blasting mine [J]. Inner Mongolia Coal Economy,2008(6):55-57. (in Chinese)
[8]  潘井澜.抛掷爆破在露天台阶式采矿中应用的探讨[J].化工矿山技术,1992,21(6):1-4. Pan Jinglan. Casting blast stepped in open discussion on the application of mining [J]. Chemical Mining Technology, 1992,21(6):1-4. (in Chinese)
[9]  切尔尼高夫斯基 A A.定向抛掷爆破[M].史家堉,译.北京:中国建筑工业出版社, 1983. Czerny Minkowski A A. Directional casting blast[M]. Shi Jiayu, transl. Beijing: China Building Industry Press, 1983. (in Chinese)

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