Effect of Particle Size and Confining Pressure on Breakage and Strength Parameters of Rockfill Materials   Ashok K. Gupta Associate Professor Civil Engineering Department, Jaypee University of Information Technology, Wakanaghat (HP) e-mail: ashok.gupta@juit.ac.in
			ABSTRACT

Rockfill dams are mostly constructed using blasted rockfill materials obtained by blasting rock or alluvial rockfill materials collected from the riverbeds. In this paper effect of maximum particle size on breakage and strength parameter on two rockfill materials is investigated. Drained triaxial tests have been conducted on various sizes of rockfill materials used in the two dams. Test data has been analyzed and effect of size and confining pressure on breakage and strength parameters have been studied.

Keywords: Triaxial tests, Rockfill materials, particle size, breakage and strength parameters.

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