1. Utilizing plastic waste as coarse aggregate in concrete.
- Author
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Aljalawi, Nada Mahdi
- Subjects
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WASTE management , *BIODEGRADABLE plastics , *LIGHTWEIGHT concrete , *SUSTAINABILITY , *FLEXURAL strength , *CONCRETE mixing , *CONCRETE , *PLASTIC scrap - Abstract
Industrial activities and garbage disposal facilities in Iraq produce large quantities of non-biodegradable solid plastic waste that significantly. pollute the environment. This research thus examines the use of several volumetric options of coarsely shredded. PET plastic bottles (15%, 25%, 35%, 45%, and 55%) to be used as an alternative to natural coarse aggregate sustainable concrete production. The tests applied thus include workability, oven-dry density, flexural strength, and compressive strength - In spite of some disadvantages in terms of lower compressive strength plastic waste, aggregate has a number of benefits in terms of flexural strength. Another advantage is that, because of the plastic waste component, plastic aggregates result in a more lightweight concrete. The dry densities of the coarse PET plastic garbage used to replace 45% of the waste and 55% of the natural coarse aggregate were 1,910 and 1,850 kg/m3, respectively. Lightweight concrete is a specific term used to describe certain concrete mixes, and the percentage reductions in compressive strength of concrete containing 15%, 25%, 35%, 45%, and 55% PET plastic waste as a volumetric alternative to natural coarse aggregate were about 33%, 41.39%, 68.47%, 69.61%, and 84.4%, respectively. The percentage reductions in flexural strength of concrete samples with 15%, 25%, 35%, 45%, and 55% PET plastic waste were 6.41%, 21.15%, 31.53%, 42.05%, and 43.59%, respectively. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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