Flexural Study on Slab specimens of Modified Concrete using Light Expandable Clay Aggregate, Sintered Fly-ash Aggregate and Hexa Blended Cement along with Pozzolanic & 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

P.BHARGAV KUMAR
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: Sintered fly ash aggregates, LECA, admixtures, ACC 53grade cement, silicon dioxide, aluminum oxide, cube strength, flexural strength of slabs and strain energy stored

Abstract

In the present experimental work, an attempt is made to study Flexural properties of two way slabs with fixed end condition of M20 grade concrete by 100% replacement of natural coarse aggregate by two numbers of light weight aggregate i.e., sintered fly ash aggregate and Light Expandable Clay aggregate (LECA) 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% on 11% of weight of cement with two numbers of Nano materials i.e., Nano Silicon Dioxide (SiO2) and Nano Aluminum Oxide (Al2O3) in equal Proportions after 28 days of curing. It is also proposed to study corresponding cube compressive strength of modified concrete.

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