| 钻孔爆破中炮孔堵塞效果及堵塞长度的研究 |
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| 引用本文： | 罗勇,沈兆武.钻孔爆破中炮孔堵塞效果及堵塞长度的研究[J].力学与实践,2006,28(2):48-52. |
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| 作者姓名： | 罗勇 沈兆武 |
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| 作者单位： | 中国科学技术大学力学与机械工程系,合肥,230026 |
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| 摘 要： | 基于炮孔爆破的特点,利用爆破理论和应力波理论,分析了炮孔堵塞物的作用机理、受力情况及在炮孔中的运动过程,推导出了炮孔堵塞长度的计算公式,并在此基础上对炮孔堵塞及堵塞对爆破效果的影响进行了实验,实验结果表明了钻孔爆破中炮孔堵塞的重要性和必要性．研究结论可为爆破参数设计提供理论依据．
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| 关 键 词： | 爆破理论 应力波理论 炮孔 堵塞 |
| 收稿时间： | 2005-04-08 |
| 修稿时间： | 2005-10-10 |
INVESTIGATION ON LENGTH OF STEMMING MATERIAL AND ITS EFFECT IN HOLE-CHARGED BLASTING |
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| LUO Yong,SHEN Zhaowu.INVESTIGATION ON LENGTH OF STEMMING MATERIAL AND ITS EFFECT IN HOLE-CHARGED BLASTING[J].Mechanics and Engineering,2006,28(2):48-52. |
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| Authors: | LUO Yong SHEN Zhaowu |
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| Institution: | Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | Based on the characteristics of hole-charged blasting, the mechanism of action, the stressing and the movement of the stemming material are analyzed according to the blasting theory and the stress wave theory, and the expression of the length of the stemming material is deduced. On the basis of theoretical derivation and analysis, the experiment of stemming and its effect on blasting results was carried out. The experimental results show that the stemming in hole-charge is important and necessary. It may serve as a theoretical basis in the parameter design of blasting. |
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| Keywords: | blasting theory stress wave theory bore hole stemming |
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