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

Peng Zhou; Chao Wang; Wei Xian Gao; Yu Hou Wu

doi:10.4028/www.scientific.net/AMR.690-693.2484

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 690-693Research on the Rock Breaking by Double Disc...

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

Abstract:

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.

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Periodical:

Advanced Materials Research (Volumes 690-693)

Pages:

2484-2489

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.690-693.2484

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Online since:

May 2013

Authors:

Peng Zhou, Chao Wang, Wei Xian Gao, Yu Hou Wu

Keywords:

Disc Cutter, Rock, Rock Tunnel Boring Machine, Test Bed

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