On the critical failure mode transition depth for rock cutting with different back rake angles

详细信息    查看全文

• 作者：Xianqun He^a ; ^b ; ^c ; Chaoshui Xu^c ; Kang Peng^a ; ^b ; ^{pengkang@cqu.edu.cn} ; Gun Huang^a ; ^b
• 关键词：Rock cutting ; Ductile-brittle transition ; Critical failure mode transition depth ; Size effect law ; Specific energy
• 刊名：Tunnelling and Underground Space Technology
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：63
• 期：Complete
• 页码：95-105
• 全文大小：3220 K
• 卷排序：63

文摘

Rock cutting failure mode depends on rock properties and operational parameters. A larger back rake angle leads to cutting failure transition at greater depth of cut. Size effect law gives more accurate critical failure mode transition depth.