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周边爆破造成围岩损伤的试验研究 被引量:3

EXPERIMENTAL STUDY ON DAMAGE TO SURROUNDING ROCK MASS BY CONTOUR BLASTING
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摘要 降低爆破对围岩的损伤十分必要,利用试验方法寻求周边爆破参数对围岩爆破损伤的影响规律是促进这一问题解决的有效方法。据此,介绍周边爆破造成围岩损伤研究的模型试验技术与测量方法,并对不同周边爆破参数条件下取得的试验结果进行分析,进而获得周边爆破参数影响围岩中爆破损伤分布的基本规律。研究结果对爆破工程实践、爆破参数优化和深入的周边爆破理论研究具有一定指导意义和参考价值。 Rock damage from blasting should be minimized as possible. In order to reduce the blasting damage to the surrounding rock mass, it is urgent to find the law on blasting damage to the rock affected by blasting parameters through model experiments. Based on this point, the experimental technique and measurement method are proposed and the results from the experiment under various perimeter-blasting parameters are analyzed. The law on the distribution of damage factor affected by perimeter blasting parameters is discovered, including decoupling coefficient, burden, firing time interval, and blast hole stemming and etc.. The findings in the experimental study are significant for blasting practice in engineering, parameter optimization and in-depth study of contour blasting theory.
出处 《岩石力学与工程学报》 EI CAS CSCD 北大核心 2005年第A01期4728-4734,共7页 Chinese Journal of Rock Mechanics and Engineering
基金 陕西省教育厅专项科研项目资助(02JK081,04JK221) 西安科技大学博士基金资助项目
关键词 爆破工程 周边爆破 爆破损伤 试验方法 损伤测量 blasting engineering contour blasting damage by blasting experiment technique damage measurement
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参考文献9

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二级参考文献18

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