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PERFORMANCE APPRAISAL OF RIVER STONE AS A COARSE AGGREGATE IN CONCRETE

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Principal author al. Int. Journal of Engineering Research and ApplicationsISSN : 2248-9622, Vol. X, Issue X, XXXX-XXXX 2013, pp.XX-XXRESEARCH ARTICLEwww.ijera.comOPEN ACCESSPERFORMANCE APPRAISAL OF RIVER STONE AS ACOARSE AGGREGATE IN CONCRETEChandrashekar.A *, Maneeth.P.D***(Professor & H.O.D, Department of Civil engineering, K.V.G. College of Engineering, Sullia- 574327,Karnataka)** (Assistant Professor, Department of Civil engineering, K.V.G. College of Engineering, Sullia- 574327,Karnataka )Email: maneeth.pd@gmail.com, acs.nitk@gmail.comABSTRACTConcrete has been proved to be a leading construction material for more than a century. The aggregateelement in concrete comprises 60-75% of the total volume. Due to heavy increase in the constructionactivities, the crushed granite stone which are the conventional coarse aggregate is under depletion andalso, nowa-days an acute shortage of these materials is experienced. Hence an alternative for the crushedgranite stone has to be explored. Though the river stone has got high potential for being a naturalaggregate, it is been rarely used as a concrete material. The present investigation envisages the potentialutilization of river stone as a coarse aggregate in replacement of crushed stone aggregate in concrete.Concrete mixes with 0%, 25%, 50%, 75% and 100% replacement to crushed stone aggregate wereconsidered in this study. The mix proportion is done as per IS 10262 (2009). The properties of fresh andhar

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