Research on the Rock Breaking by Double Disc Cutter Test-bed

被引：2
|
作者：
Zhou, Peng [1 ]
Wang, Chao [2 ]
Gao, Weixian [3 ]
Wu, Yuhou [2 ]
机构：
[1] Dalian JiaoTong Univ, Dalian 116028, Peoples R China
[2] Shenyang Jianzhu Univ, Shenyang 110168, Peoples R China
[3] Northern Heavy Ind Grp Co Ltd, Shenyang 110025, Peoples R China
来源：
MATERIAL DESIGN, PROCESSING AND APPLICATIONS, PARTS 1-4 | 2013年 / 690-693卷
关键词：
rock; disc cutter; rock tunnel boring machine; test-bed; STRESS;
D O I：
10.4028/www.scientific.net/AMR.690-693.2484
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Rock tunnel boring machine is one of the main machineries and equipments for underground engineering, and the failure of tool systems is its main failure form. Rock hob test-bed is the only testing equipment for tool failure and wear. In this paper, the breaking rock by the double disc cutter is simulated and four kinds of rocks are selected to test the influece of rock characteristics and spacing between two disc cutters on the rock breaking by the double disc cutter test-bed. The results show that there is different optimal spacing between two disc cutters for different rock; the optimal spacing is inversely proportional to the hardness of the rocks; the maximum stress appears the boundary between the disc cutter and rock.
引用
收藏
页码：2484 / +
页数：3
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