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ASTM C 127-01 Standard Test Method for Density, Relative Density (Specific Gravity), and Absorption of
Coarse Aggregate.
ASTM C 131-01 Standard Test Method for Resistance to Degradation of Small-Size Coarse Aggregate by
Abrasion and Impact in the Los Angeles Machine.
ASTM C 805 Standard Test Method for Rebound Number of Hardness Concrete, 1997.
ASTM E29 Standard method for Vickers hardness of metallic materials.
Broch, E., and Franklin, J.A. (1972). The point load strength test, International Journal of Rock Mechanic &
Mining Sciences. 9(6), 669-697.
Hoseinie, S.H., Aghababaei, H. and Pourrahimian, Y. (2007). Development of a new classification system for
assessing of rock mass drillability index (RDi), International Journal of Rock Mechanic & Mining
Sciences. 45(1), 1-10.
Kahraman, S., Balcid, Yazicii, S. and Bilgin, N. (1999). Prediction of the penetration rate of rotary blast hole drills
using a new drillability index, International Journal of Rock Mechanic and Mining Sciences. 37(5),
729-743.
Kahraman, S., Bilgin, N. and Feridunoglu, C. (2003). Dominant rock properties affecting the penetration rate of
percussive drills , International Journal of Rock Mechanic and Mining Sciences. 40(5), 711-723.