To Study the Performance of Copper Slag As Partial or Fully Replacement to Fine Aggregates in Concrete
Journal Title: International Journal of Research and Review - Year 2018, Vol 5, Issue 5
Abstract
This paper presents the experimental investigation of properties of concrete using copper slag as replacement material of fine aggregates to increase the hardened concrete properties such as compressive strength, split tensile strength, flexural strength and ultrasonic pulse velocity of concrete. The present study encouraged the use of industrial by-product or waste copper slag as replacement material of fine aggregates in concrete. Mix proportion has to be done for M25 grade of concrete with water cement ratio 0.50. The fine aggregate is replaced with copper slag in proportions of 0%, 20%, 30%, 40%, 50%, 60%, 80%, and 100%. Tests were performed for properties of fresh concrete and hardened concrete. All concrete specimens were cured for 28 days before compression strength test, split tensile strength test, flexural strength test and ultrasonic pulse velocity test. The results indicate that workability and density of concrete increases significantly with the increase of copper slag content in concrete mixes. The results also demonstrated that the highest compressive strength, split tensile strength and flexural strength obtained were 41.53 N/mm2, 3.86 N/mm2 and 5.42 N/mm2 for 40% replacement of fine aggregate by copper slag as compared to control mixture. The ultrasonic pulse velocity test indicated the excellent quality of concrete at all percentage replacement level. Therefore, it is recommended that 40% of copper slag can be use as replacement of fine aggregates.
Authors and Affiliations
Mr. Suhas S. Malkhare
Keywords
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