Cerchar Abrasion Ratio (CAR) as a New Indicator for Assessing Rock Abrasivity, Rock–Stylus Interaction and Cutting Efficiency
Sign Up to like & getrecommendations! Published in 2020 at "Rock Mechanics and Rock Engineering"
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
Wear mechanisms of LCPC rock abrasivity test impellers of materials equivalent to TBM cutter head face tools
Sign Up to like & getrecommendations! Published in 2021 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2021.104122
Abstract: Abstract This study aims at performing the LCPC (Laboratoire Central des Ponts et Chaussees) rock abrasivity test to explore the wear characteristics of LCPC test impellers of different material hardness (i.e., 70–75 HRB; 46–48 HRC;… read more here.
Keywords: rock abrasivity; hrc; hrc hrc; test impellers ... See more keywords
A study to correlate LCPC rock abrasivity test results with petrographic and geomechanical rock properties
Sign Up to like & getrecommendations! Published in 2018 at "Quarterly Journal of Engineering Geology and Hydrogeology"
DOI: 10.1144/qjegh2017-112
Abstract: Rock abrasivity is very much influenced by the petrographic and physico-mechanical properties of rock and hence its assessment from common geomechanical rock properties is helpful for rock engineers in estimating excavation costs. In this paper… read more here.
Keywords: rock properties; test results; rock; rock abrasivity ... See more keywords