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http://dx.doi.org/10.9711/KTAJ.2014.16.6.533

A comparative study on the TBM disc cutter wear prediction model  

Ko, Tae Young (Infra ENG'G Team 2, SK Engineering & Construction)
Yoon, Hyun Jin (TBM Task Force, SK Engineering & Construction)
Son, Young Jin (Infra ENG'G Team 2, SK Engineering & Construction)
Publication Information
Journal of Korean Tunnelling and Underground Space Association / v.16, no.6, 2014 , pp. 533-542 More about this Journal
Abstract
In this study TBM disc cutter prediction models including Gehring, CSM and NTNU models were investigated and the characteristics of the models were examined. The influence of penetration, uniaxial compressive strength and abrasiveness index on the models was analyzed. The life of disc cutter linearly increases with penetration per revolution and decreases with increasing uniaxial compressive strength of rocks. As the abrasiveness index, CAI, increases, the life of disc cutter in Gehring and CSM model decreases. On the contrary, the life of disc cutter life in NTNU model decreases with increasing CLI. Also, comparisons of predicted disc life were made between models using actual job site data.
Keywords
Disc cutter; Wear prediction; Gehring; CSM; NTNU;
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