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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 3    No. 3    September 1993

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A NEW METHOD FOR CLASSIFICATION OF ROCK DRILLABILITY
Lu  Fan

Central-South University of Technology; Changsha 410083; China

Abstract:A New method of rock drillability classification for impregnated diamond drilling is recommended. The essence of the method is comparing the area of the slots cut respectively on a standard synthetic rock sample and the rock sample being classified by one diamond saw to determine the rock drillability in diamond core drilling. This method has the advantages of good in simulation and stable in comparison standard.

 

Key words: rock drillability classification diamond core drilling cutting-comparison method

ISSN 1672-7029
CN 43-1423/U

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