Cement partially replaced with fly ash and carbon fiber in light weight concrete

Abstract

Mechanical Strength properties of fiber reinforced light weight concrete are investigated and studied with normal concrete. Four concrete mixes were taken in different percentages of fly ash, carbon fiber and LECA. Fifty-Four cubes (six for each mixes) and Thirty six cylinders (four for each mixes) were tested. The investigation include 7 and 28 days of strength properties of concrete mixes. As the increase in percentage of fly ash and carbon fiber the compressive and split tensile values were decreased and vice versa. Light weight concrete gives low density than conventional concrete. Plastic shrinkage crack decreases with the percentage increase of LECA (Light Weight Expanded Clay Aggregate).