Numerical and experimental investigation of the impact fragmentation of bluestone using multi-type bits

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• 作者：Songyong Liu^a ; ^b ; ^{lsycumt@163.com} ; Huanhuan Chang^a ; ^b ; Hongsheng Li^a ; ^b ; Gang Cheng^a ; ^b
• 关键词：Impact fragmentation ; Drilling velocity ; Orthogonal experiment ; Drill bit ; Rock-breaking efficiency
• 刊名：International Journal of Rock Mechanics and Mining Sciences
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：91
• 期：Complete
• 页码：18-28
• 全文大小：1752 K
• 卷排序：91

文摘

Orthogonal experiment was utilized to analysis impact fragmentation. Some experiments were developed to study the performance of various types of drills. This paper obtained the optimal combination of working parameters.