Bio-based material, concrete, pavement, sustainable construction, waste vegetable oil.


Architecture | Business | Engineering | Physical Sciences and Mathematics


The generation of waste materials is causing an impact on the environment due to many reasons including the effect on human health and decrease in landfill space. Of these waste materials is the waste cooking oil. There are large amounts of waste vegetable oil generated in the world and most of it is disposed of in the sewer system which can cause problems when treating wastewater. This paper is a review of literature on the use of vegetable oil (VO) and waste vegetable oil (WVO) as chemical admixtures in construction materials. The construction materials include mainly concrete and pavement. The properties examined were fresh, mechanical and durability properties. Fresh properties included slump test while the mechanical properties comprised compressive and flexural strength as well as shrinkage. The durability and durability related properties consisted of water absorption both by total immersion and capillary action, carbonation and efflorescence. This review suggests that virgin vegetable oil and its waste has the potential to be used as chemical admixtures in construction materials to improve their workability water resistance.





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