Ecology, Environment and Conservation Paper

Vol 24, March Suppl. Issue 2018; Page No.(46-49)

SOLID WASTE MANAGEMENT USING GGBS (GROUND GRANULATED BLAST FURNACE SLAG) IN CONCRETE AS FINE AGGREGATE

K. Ramadevi and S. Deepashri

Abstract

Cement concrete with Ordinary Portland Cement continues to be the pre-eminent construction materials due to its commendable performance in terms of strength aspects, but durability of this is not satisfactory particularly when it is exposed to aggressive environment. The severe demand on the availability of river sand forces the construction industry to utilize alternate materials without compromising strength characteristics of concrete. Use of mineral admixtures like Blast Furnace Slag, Fly Ash, GGBS, Rice husk ash, Silica Fume etc., in concrete may be a suitable solution in such situation. In this research work, the percentage of GGBS added as replacement for fine aggregate in concrete are 0%, 15%, 30%, 45%, 60% & 75%. Also a crimped steel fibre of a constant percentage (1.5%) by weight of concrete is added. From the test results, it is found that there is increase in the strength of concrete by addition of GGBS and Steel fibres. The optimum strength is obtained at a replacement rate of 60% GGBS with 1.5% steel fibres. Hence use of GGBS in concrete provides an alternative material that can be utilized in achieving sustainable concrete structures.

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