Flexural Study on Slab Specimens with Partial to Fully Replacement of Natural Coarse Aggregate by Light Weight Expandable Clay Aggregate (LECA)

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., ????????????????a , IN

N. SWETHA
Professor, Dept. of Civil Engineering, Brindavan Institute of Technology & Sciences, Kurnool, A.P and Research Scholar, JNTUA College of Engineering, Anantapuram-515002, A.P., ????????????????a , 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., ????????????????a , IN

Keywords: LECA, Compressive Strength, Flexural strength, Strain Energy, Yield line theory

Abstract

In this investigation an experimental approach is carried out to study the flexural strength of conventional concrete with partial to fully replacement of coarse aggregate by light expandable clay aggregate (LECA). With the usage of LECA in concrete, the demand of coarse aggregate is reduced in the design of concrete structures. The light weight concrete gives low density when compared to conventional concrete and possess better insulation properties to heat and sound. The main aim of this project is to understand better about the strength properties particularly compressive strength of cubes and moment carrying capacity of reinforced cement concrete slabs made of light weight concrete against conventional concrete by replacing natural aggregates with LECA by 25%, 50%, 75% and
100% after 28 days of curing.

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