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  • 1
    Electronic Resource
    Electronic Resource
    The Cerchar Abrasivity Index and its relation to rock mineralogy and petrography (1982)
    Springer
    Rock mechanics and rock engineering 15 (1982), S. 1-8 
    Details
    ISSN: 1434-453X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences
    Notes: Summary The Cerchar Abrasivity Index and Its Relation to Rock Mineralogy and Petrography To evaluate the relation between the Cerchar Abrasivity Index (a parameter used in calculating advance rates of full face tunnelling machines) and the petrography of the rocks, measurements were made on minerals and monomineralic rocks. From these data a theoretical abrasivity (quartz equivalence) can be calculated for every rock composition. From the comparison of the theoretical and experimentally determined abrasivity the influence of fabric and other factors besides mineralogical composition were deduced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01239473
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