Flexural Study on Slab specimens of Modified Concrete using Light weight Silica Fume Aggregate, Sintered Fly-ash Aggregate, LECA and Penta Blended Cement with Pozzolanic and Nano Materials

S. RAMESH REDDY
Professor, Dept. of Civil Engineering, Brindavan Institute of Technology & Sciences, Kurnool, A.P and Research Scholar, JNTUA College of Engineering, Anantapuram-515002, A.P , IN

M.J. LOKESH
Professor, Dept. of Civil Engineering, Brindavan Institute of Technology & Sciences, Kurnool, A.P and Research Scholar, JNTUA College of Engineering, Anantapuram-515002, A.P , IN

Dr. V. BHASKAR DESAI
Professor, Dept. of Civil Engineering, Brindavan Institute of Technology & Sciences, Kurnool, A.P and Research Scholar, JNTUA College of Engineering, Anantapuram-515002, A.P , IN

Keywords: Silica Fume aggregate, Sintered fly ash aggregate, LECA, Ultra tech 53grade Cement, Nano Silicon oxide (SiO2), Nano Aluminum Oxide (Al2O3), Nano Titanium oxide (TiO2), Cube Compressive Strength , flexural Strength of Slabs.

Abstract

Aim of the project is to examine the flexural properties of the modified M20 grade concrete by fully replacing the coarse aggregate by Silica fume aggregate, Sintered fly ash aggregate and LECA (Light expandable clay aggregate) in equal proportions. It is also proposed to replace 11% weight of cement with three numbers of pozzolanic materials like Silica Fume, Slag and Fly Ash along with varying percentages like 0, 0.5, 1 and 1.5% of nano materials on 11% of weight of cement. The Nano materials used are Nano Silicon oxide (SiO2), Nano Aluminum Oxide (Al2O3) and Nano Titanium oxide (TiO2) in equal proportions. With these variations the effect of replacements on cube strength and flexural strength on slab specimens is proposed to be studied

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