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| 宽孔距爆破破碎机理的研究 | |
| 引用本文： | 王修勇,王树仁.宽孔距爆破破碎机理的研究[J].爆炸与冲击,1997,17(3):259-264. |
| 作者姓名： | 王修勇 王树仁 |
| 作者单位： | [1]湘潭矿业学院 [2]中国矿业大学北京研究生部 |
| 摘 要： | 通过分析爆破试验结果，建立了以成梁假设为基础的宽孔距爆破破碎机理模型。提出了以孔间裂缝扩展速度Ｖｐ和裂缝扩宽速度Ｖｓ表达的岩石破坏准则，并通过实验进行了验证。 |
| 关 键 词： | 宽孔距 爆破 破碎机理模型 孔间贯穿裂缝 |
STUDY OF FRAGMENTATION MECHANISM FOR THE BLASTING OF LARGE SPACING AND SMALL BURDEN |
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| Wang Xiuyong a,Wang Shuren b.STUDY OF FRAGMENTATION MECHANISM FOR THE BLASTING OF LARGE SPACING AND SMALL BURDEN[J].Explosion and Shock Waves,1997,17(3):259-264. | |
| Authors: | Wang Xiuyong a Wang Shuren b |
| Abstract: | In this paper,the results of blasting are analysised and a new fragmentation mechanism model based on the hypothesis of forming beam for the blasting of large spacing and small burden and the destroy criterion expressed by v P (crack development velocity between blastholes) and v s (crack widening velocity) are suggested.The mechanism model is proved correct through the test study as well. |
| Keywords: | blasting of large spacing and small burden fragmentation mechanical model crack between blastholes v P (crack development velocity between blastholes) |
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