Abstract
The objective of this research is to study the influence of using waste material (irregular plastic mix) on and properties and behavior of concrete. Various coarse plastic aggregate of 15, 25 and 45 % as replacement to coarse natural aggregate by volume were carried out. The experimental program consists of many tests, compressive strength, splitting tensile strength, flexural strength, thermal conductivity, absorption of water and density. The results demonstrate that the increase of plastic waste content decreases the compressive strength; while the workability slightly improves. The dry density of the concrete decreases with the increase of the plastic waste aggregate, satisfied structural lightweight concrete can be produced with 45% replacement of plastic waste aggregate. Also, a major improvement in the thermal conductivity was observed, while the absorption of water growths as the plastic waste content increased.
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