Book cover for Design and Performance of Underground Excavations: ISRM Symposium — Cambridge, U.K., 3–6 September 1984
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Design and Performance of Underground Excavations: ISRM Symposium — Cambridge, U.K., 3–6 September 1984
Edited by
E. T. Brown
E. T. Brown
Department of Mineral Resources Engineering, Imperial College of Science and Technology, London, U.K.
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J. A. Hudson
J. A. Hudson
Department of Mineral Resources Engineering, Imperial College of Science and Technology, London, U.K.
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Author and Other Information
Emerald Publishing Limited
DOI:
https://doi.org/10.1680/dapoue.35652
ISBN print:
978-0-7277-4008-3
Publication date:
1984
Book Chapter

29 Cutter wear and its influence on tunnel boring machine performance

By
P. P. Nelson;
P. P. Nelson
1The University of Texas at Austin, Austin, TX 78712, U.S.A.
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T. D. O'Rourke;
T. D. O'Rourke
2Cornell University, Ithaca, NY 14853, U.S.A.
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F. H. Kulhawy
F. H. Kulhawy
2Cornell University, Ithaca, NY 14853, U.S.A.
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Author and Other Information
P. P. Nelson
1The University of Texas at Austin, Austin, TX 78712, U.S.A.
T. D. O'Rourke
2Cornell University, Ithaca, NY 14853, U.S.A.
F. H. Kulhawy
2Cornell University, Ithaca, NY 14853, U.S.A.
Doi:
https://doi.org/10.1680/dapoue.35652.0029
  • Published:
    1984

Cutter wear can influence full-face tunnel boring machine (TBM) performance in several ways, including cutter replacements and repair, loss of production time, and reduction of penetration rate. Cutter replacement records from four TBM construction projects are used to investigate patterns and rates of wear. Wear rates are shown to be a function of position on the cutterhead and rock type excavated. Abrasive wear is investigated using cutter disc diameter measurements. The rate of abrasive wear may be predicted using rock index properties, such as rock abrasiveness.

  • INTRODUCTION

  • PROJECT DESCRIPTIONS

  • CUTTER REPLACEMENT RECORDS

  • RATES OF ABRASIVE WEAR

  • SUMMARY

  • ACKNOWLEDGEMENTS

  • REFERENCES

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