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5. EXPERIMENTAL STUDY OF MECHANISM AND TECHNOLOGY OF DIRECTED CRACK BLASTING

EXPERIMENTAL STUDY OF MECHANISM AND TECHNOLOGY OF DIRECTED CRACK BLASTING

来源 :中国矿业大学学报：英文版 | 被引量 : 0次 | 上传用户：simetl1

【摘 要】

：

The dynamic stress-fields and their distribution characteristics around boreholes in the directed crack blasting were measured with the dynamic photo-elastic la

【作 者】

：

杨永琦 高全臣 于慕松 张奇 单仁亮 杨仁树 贾云峰 

【机 构】

：

BeijingGraduateSchool,DatongMiningBureau

【出 处】

：

中国矿业大学学报：英文版

【发表日期】

：

1995年2期

【关键词】

：

矿山 爆破技术 光面爆破机理 动力学 directed crack  blasting model technology experiment 

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论文部分内容阅读

The dynamic stress-fields and their distribution characteristics around boreholes in the directed crack blasting were measured with the dynamic photo-elastic laser holography apparatus and the uitradymamic measurement system. The directed crack mechanism

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