EFFECT OF FLY ASH AND COPPER SLAG ON MECHANICAL PROPERTIES OF CONCRETE

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DR. R.R. SINGH
MISS. AASTHA

Abstract

The present study aims at developing the concrete mixes incorporating fly ash and copper slag as a partialreplacement of cement and fine aggregates respectively. The aim is to study the mechanical properties ofmodified concrete with fly ash and copper slag and to compare it with reference mix i.e without anysupplementary material. Cement was partially replaced by fly ash with 20%, 30%, 40% replacement, and fineaggregate was partially replaced by copper slag with 30%, 40%, 50% replacement. The design mix wasworked out as per Indian standard guidelines and various trials were performed to obtain the mix of grade M-25at 28 days. In this study, the compressive strength, split tensile strength and flexural strength of concretemixes for different percentage of replacement of cement and fine aggregate are obtained at 7 days and 28 days.After analysis of test results, it was found that performance of binary mix with fly ash was less than that ofreference mix whereas performance of binary mix with copper slag was higher than that of referencemix. Results of ternary mix with both fly ash and copper slag was found to better than that of referencemix. Cube compressive strength of mixes showed up to 27% increase in strength, split tensile strengthshowed up to 50% increase in strength, flexural strength showed up to 20 % increase in strength. Maximumincrease in compressive strength, split tensile strength and flexural strength was found for the M10 mixi.e. mix with 30% fly ash and 40% copper slag.

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DR. R.R. SINGH, & MISS. AASTHA. (2021). EFFECT OF FLY ASH AND COPPER SLAG ON MECHANICAL PROPERTIES OF CONCRETE. International Journal of Innovations in Engineering Research and Technology, 1-4. https://repo.ijiert.org/index.php/ijiert/article/view/1686
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How to Cite

DR. R.R. SINGH, & MISS. AASTHA. (2021). EFFECT OF FLY ASH AND COPPER SLAG ON MECHANICAL PROPERTIES OF CONCRETE. International Journal of Innovations in Engineering Research and Technology, 1-4. https://repo.ijiert.org/index.php/ijiert/article/view/1686

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