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2015 Vol.17, Issue 6 Preview Page
A study of diamond wire rock cutting process analysis by FEM
Mohammed Ruhul Kabir1
,
Myung Sagong2*
,
Sung-Kwon Ahn3
,
,
1Graduate Student, Department of Railway System Engineering, University of Science and Technology
2Principal Researcher, Korea Railroad Research Institute, Adjunct Professor, Dept. of Railway System Engineering, UST
3ICT Fusion Technology Research Team, Korea Railroad Research Institute.
*교신저자. *Corresponding Author. 
30 November 2015. pp. 615-621
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Abstract

In this paper diamond wire cutting method has been proposed to cut the rock in the tunnel face. Diamond wire saw method could cut the rock from tunnel face with very minor vibration and noise. In this study rock cutting process has been simulated with FEM method by using LS-DYNA explicit non-linear finite element code. Normal load act as an prime factor when cutting the rock surface. For observing the effect of normal load on bead, several experiments has been conducted by varying normal loads on the bead. From each experiment, cutting rate has been calculated to compare the cutting rate with different load conditions. By increasing the normal load on bead, cutting rate increases drastically.

Keywords
Diamond wire saw
Rock cutting
FEM
Bead
LS-DYNA

References
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Information
  • Publisher :Korean Tunneling and Underground Space Association
  • Publisher(Ko) :한국터널지하공간학회
  • Journal Title :Journal of Korean Tunnelling and Underground Space Association
  • Journal Title(Ko) :한국터널지하공간학회 논문집
  • Volume : 17
  • No :6
  • Pages :615-621
  • Received Date : 2015-10-19
  • Revised Date : 2015-10-28
  • Accepted Date : 2015-10-30
  • DOI :https://doi.org/10.9711/KTAJ.2015.17.6.615
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