Abstract: Many countries are witnessing a rapid growth in construction industry which involves use of natural resources for the development of infrastructure. This growth poses a threat to natural resources that are available. Copper slag is considered as waste material and can be used as replacement of fine aggregates. M30 grade of concrete mix with water-cement ratio of 0.45 is used to determine the various mechanical properties. This research work mainly consist of two parts, in the first part, substitution of natural sand partially by copper slag in concrete is done with replacement of 0%, 35%, 40% and 45%. The optimum value obtained for 40% replacement of copper slag. The 28 days average compression strength was observed to increase by about 0.45% - 23.6%, split tensile strength by 16.61% - 34.98% and flexural strength of concrete by 27.78% - 38.89% when compared with control mix. In the second part, the flexural behavior of reinforced concrete beams with optimum copper slag content is studied. The reinforcement is varied from 0.62% - 0.89% in the flexure zone and the parameters like deflection, surface strain, cracking load, ultimate load and crack width of reinforced concrete beams was experimentally noted and compared with theoretical values as per code is: 456-2000.
Keywords: copper slag, workability, compressive strength, split tensile strength, flexural strength, deflection, surface strain, crack width, cracking moment, ultimate moment.
Title: Experimental Study on Flexural Behavior of Reinforced Concrete Beams by Replacing Copper Slag as Fine Aggregate
Author: Deepak Gowda. B, Dr. H. B. Balakrishna
International Journal of Civil and Structural Engineering Research
ISSN 2348-7607 (Online)
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