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Analysis on the Stress and Failures of Disc Cutter of Full Face Rock Tunnel Boring Machine

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Abstract:

Full face rock tunnel boring machine (TBM) plays an important role in boring rock of tunnel. The failure of disc cutter is the main reason leading to low efficiency of TBM. In this paper, analysis of force and motion for disc cutter are carried by using ABAQUS to study stress distribution and concentration in disc cutter and rocks. Influence of different rocks on stress in disc cutter is analyzed. By combination the failure modes of disc cutter and its stress distribution, methods of decreasing failures of disc cutter are presented. Wear resistance and service life of disc cutter are improved by matching the materials of disc cutters with rocks. The results are useful for structural optimization and strengthening treatment of material of disc cutter.

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Info:

Periodical:

Advanced Materials Research (Volumes 102-104)

Pages:

223-226

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.102-104.223

Citation:

Cite this paper

Online since:

March 2010

Authors:

Teng Yue Wang, Ke Zhang, Hong Sun, Yu Hou Wu, Kai Jun Zhao

Keywords:

Disc Cutter, Failure, Stress Analysis, Tunnel Boring Machine

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References

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