IJMTES – EXPERIMENTAL INVESTIGATION OF MECHANICAL PROPERTIES OF SELF COMPACTING CONCRETE WITH GGBS AND FOUNDRY SAND

Journal Title : International Journal of Modern Trends in Engineering and Science

Paper Title : EXPERIMENTAL INVESTIGATION OF MECHANICAL PROPERTIES OF SELF COMPACTING CONCRETE WITH GGBS AND FOUNDRY SAND

Author’s Name : Tariq Ahmed M A | A Vennila unnamed

Volume 03 Issue 08 2016

ISSN no:  2348-3121

Page no: 116-120

Abstract – The construction activities in the last few decades have increased many folds in almost all the developing countries of the world. Cement is becoming a scarce commodity globally because of its growing demand day by day. It is the need of time to search such alternative waste materials that would partially or fully replace cement and sand used in concretes without affecting its quality, strength and other characteristics. In order to reduce time and to improve the filling capacity of highly congested structural members by its own weight without any vibration self-compacting concrete (SCC) is adopted. The primary aim of this study is to explore the feasibility of SCC using Ground Granulated Blast furnace Slag  (GGBS) and foundry sand as a replacement for cement and fine aggregate respectively. Here Portland cement is replaced by 10%, 15% and 20% by GGBS and fine aggregate is replaced by 10%, 15% and 20% by foundry sand in combinations.  The w/p ratio is kept constant throughout the investigation as 0.40. Super plasticizer known as Conplast SP430 is used. Since there is no standard method of mix design available for SCC hence the mix proportion is obtained as per the guidelines given by European Federation of producers and contractors of special products for structure (EFNARC). This paper presents an experimental investigation on strength aspects like compressive and split tensile strength and the workability tests. The compressive strength and split tensile strength of the cubes and cylinders at 7 days, 28 days are obtained and it was found that the mix having 10% replacement of cement with 20% replacement of foundry sand gives the best results.

Keywords— Self Compacting concrete, Material Properties, Fresh Concrete Properties, Hardened Concrete Properties, GGBS and Foundry sand 

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