GROUND GRANULATED BLAST FURNACE SLAG (GGBS) AND M-SAND IN HIGH PERFORMANCE CONCRETE
Author(s):
B RAJALAKSHMI
Keywords:
HPC – High Performance Concrete, GGBS – Ground Granulated Blast Furnace Slag, M-Sand – Manufactured Sand, Tensile strength, flexural strength & workability
Abstract
To reduce the carbon footprint on the environment and to reduce the optimum use of OPC by replacing with GGBS, an industrial waste with cost benefit. The OPC partially replaced with GGBS and the properties were observed using M50 concrete with various percentages of cement viz.. 40%, 45%, 50%, 55%, 60%, 65% & 70% as per Cl 18.4. of IRC 112.2011. Since River sand is becoming scarce nowadays, the use of manufactured stone (M-Sand) in concrete has become unavoidable. Hence properties of concrete using M-Sand with various percentages of GGBS replacement were tested and the results were compared. The 7th and 28th day test results indicate that the workability of concrete viz… 40%, 45%, 50%, 55%, 60%, 65% & 70% replacement of cement by GGBS were excellent in High Performance Concrete (M50) and it is increased from 25 % to 68% compared to conventional concrete. The flexural strength and compressive strength were analysed in this study
Article Details
Unique Paper ID: 149395

Publication Volume & Issue: Volume 6, Issue 12

Page(s): 216 - 220
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Last Date 25 August 2020

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