Experimental and numerical investigation of roadheader for breaking rock containing predrill holes
Abstract
The purpose of this study is to investigate the dynamic characteristics of a roadheader for breaking rocks containing different numbers and sizes of predrill holes. A series of experiments was performed to quantitatively measure the cutting torque, thrust force, and specific energy during the cutting of a cutterhead. Experimental results show that the cutting torque, thrust force, and specific energy decrease as the number of predrill holes...
Paper Details
Title
Experimental and numerical investigation of roadheader for breaking rock containing predrill holes
Published Date
Mar 31, 2020
Journal
Volume
8
Issue
7
Pages
2511 - 2526
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Notes
History