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Rock Mechanics and Rock Engineering

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11.04.2020 | Technical Note

Cerchar Abrasion Ratio (CAR) as a New Indicator for Assessing Rock Abrasivity, Rock–Stylus Interaction and Cutting Efficiency

verfasst von: Guangzhe Zhang, Heinz Konietzky

Erschienen in: Rock Mechanics and Rock Engineering | Ausgabe 7/2020

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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 (Atkinson 1993). A number of test methods have been developed to define and quantify the abrasive potential of rocks. Among these, due to simple design and convenient handling, the Cerchar abrasivity test and its index, the Cerchar abrasivity index (CAI), are often used. A detailed description of this test was presented by Cerchar (1986) and published as French standard NF P94-430-1 (2000). Recently, a new paper issued by Alber et al. (2015) provides generalized guidelines for using the Cerchar test method. …

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Zhang G, Konietzky H, Song Z, Zhang M (2020b) Study of Cerchar abrasive parameters and their relations to intrinsic properties of rocks for construction. Constr Build Mater 244:118327. https://doi.org/10.1016/j.conbuildmat.2020.118327 CrossRef

Titel: Cerchar Abrasion Ratio (CAR) as a New Indicator for Assessing Rock Abrasivity, Rock–Stylus Interaction and Cutting Efficiency
verfasst von: Guangzhe Zhang
Heinz Konietzky
Publikationsdatum: 11.04.2020
Verlag: Springer Vienna
Erschienen in: Rock Mechanics and Rock Engineering / Ausgabe 7/2020
Print ISSN: 0723-2632
Elektronische ISSN: 1434-453X
DOI: https://doi.org/10.1007/s00603-020-02112-4

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