Effects of Jointed Rock Mass and Mixed Ground Conditions on the Cutting Efficiency and Cutter Wear of Tunnel Boring Machine
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DOI: 10.1007/s00603-018-1667-y
Abstract: The cutting efficiency and wear of tunnel boring machine (TBM) cutters are two important parameters commonly used to estimate the boring performance and lifetime of the TBM in the tunneling process. These problems have been… read more here.
Keywords: cutting efficiency; rock mass; cutter wear; cutter ... See more keywords
Cerchar Abrasion Ratio (CAR) as a New Indicator for Assessing Rock Abrasivity, Rock–Stylus Interaction and Cutting Efficiency
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DOI: 10.1007/s00603-020-02112-4
Abstract: Similar to stiffness, strength or fracture toughness, abrasivity is a characteristic property of rocks. Rock abrasivity has influence on tool wear, energy consumption and construction time and is therefore an important parameter in rock engineering… read more here.
Keywords: rock abrasivity; abrasivity; cutting efficiency; abrasivity rock ... See more keywords
Generalized equation for calculating rock cutting efficiency by pulsed water jets
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Rock Mechanics and Geotechnical Engineering"
DOI: 10.1016/j.jrmge.2018.11.009
Abstract: Abstract One of the promising methods for rock cutting technology is the use of high-speed water jets. In order to improve the cutting capacity of water jets without increasing the hydraulic power of equipment, pulsed… read more here.
Keywords: water; rock cutting; water jets; pulsed water ... See more keywords