Pvc tozları ile üretilmiş kendiliğinden yerleşen betonların mukavemet ve geçirgenliği

The present study is an effort to investigate the effects of (PVC) dust, at various replacement levels, on the durability of self-compacting concrete. Large-scale production of cement is causing environmental problems. This concern has led researchers to make use of supplementary cementitious materials for making concrete. PVC dust is a waste material produced in the plastic pipe industry, and is used as a filler material towards waste utilization. Self-compacting concrete is a kind of concrete that does not require internal or external pressure because it becomes soft and compacted under its own weight. Six mixes of concrete with one control were prepared in the study and mix designs were carried out according to Khayat. The impact of PVC dust on durability was studied by replacing cement ratios by weight at 5%, 10%, 15%, 20%, and 25%. The durability and strength of SCC was found by using different tests: water sorptivity, dry shrinkage, restrained shrinkage, gas permeability, water permeability, and compressive strength at 56 and 90 days. Results showed that addition of 25% PVC dust into the concrete mixture has given the best values of the applied durability tests. It has been pointed out that shrinkage and permeability properties of concrete will be improved by using less cement and more PVC dust. Keywords: Permeability, PVC dust, self-compacting concrete, shrinkage.