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Strength and Durability Properties of Plastic Aggregate Concrete and Its Structural Applicability- A Review

Aleesha Anna Saju, Dr. Smitha K K

Abstract


The use of plastic wastes in concrete has gained attention all over the world. The addition or partial replacement of aggregates by plastic wastes in concrete produce an economic construction material. The polyethylene terephthalate (PET) bottle wastes are widely used nowadays and it can be utilized as aggregates in concrete. The plastic aggregate concrete shows similar compressive strength development as conventional concrete and gives a comparable compressive strength and increased toughness and impact strength. This type of concrete displays more resistance to loads after crack formation. Reduction in water absorption, increased chemical resistance and workability were observed in plastic incorporated concrete. The elastic modulus of concrete depends on the compressive strength, type of aggregate, water-cement ratio. The elastic modulus of different types of concrete varies with its compressive strength but, not as same as that of the conventional concrete. For structural application of plastic aggregate concrete, its elastic modulus has to be evaluated. The inclusion of plastic aggregate concrete in construction industry is a great step towards the sustainable development and green civil engineering concept.


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References


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