Effect of Steel Fibers in Drying Shrinkage Characteristics of Self-compacting Concrete

Self-compacting concrete has the ability to compact and be placed by its own weight and no other external vibrations are required. They show high performance and help with faster construction. The aim of this project is to study the drying shrinkage of self-compacting concrete (SCC) in which the supplementary cementitious material used is fly ash about 30% and the concrete mix design is carried out for M30 grade with a water-cement ratio of 0.4. Then to the optimized SCC mix the hooked end steel fibers of 30 mm with an aspect ratio of 60 are added at different dosages of concrete volume fraction of 0.5, 1.0, and 1.5% and the compression test and drying shrinkage test is carried out. The test results of SCC with fly ash and different dosage of steel fibers were compared.