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Effects of Copper Slag as Sand Replacement in Concrete

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Academic year: 2017

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TABLE 2.1   Physical Properties  C.A. Sand  C.S.  Fineness Modulus  7.75  3.95  4.55  Specific Gravity  2.75  2.65  3.30  Water Absorption  0.609  1.20  0.65
Fig. 1. Grading of sand and copper slag in zone I
Fig. a and b shows X-ray defractor graphs (XRD) of 0% and 20% of copper slag and 100% and 80% of natural  sand respectively

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Keywords: lightweight aggregate concrete, limestone dust, formulation, fl exural tensile strength, Young’s modulus, compressive