Investigating the application and impact of concrete admixtures in construction projects.

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dc.contributor.authorOladiran O.J.
dc.contributor.authorKomolafe T.A.
dc.contributor.authorOkonkwo C.
dc.date.accessioned2024-05-03T14:55:47Z
dc.date.available2024-05-03T14:55:47Z
dc.date.issued2023
dc.description.abstractAdmixtures are chemical substances used to alter the properties of concretes to desired outcomes. They are used in varying ways due to a number of factors. This study investigates the application and effects of admixtures in concrete on construction projects. The specific objectives include to find out the commonly applied concrete admixtures in construction projects; to examine the extent of usage of admixtures in construction projects; to determine impact of admixtures on concretes; and assess the outcome of concretes from various admixtures in construction projects. Questionnaires were used to elicit information from construction professionals in Lagos State, Nigeria. Purposive sampling technique was used to select a sample of 120 respondents. Data were analysed using descriptive statistical tools such as frequency, percentage, mean score and ranking. The study revealed that retarders and super plasticizers are the commonest used admixtures in concrete; while strength improvement is what admixtures impact most in concretes. It is concluded that while admixtures alter properties of concrete, their usage are determined by the desired concrete outcomes. It is recommended that concrete producers should be cognizant of the various available admixtures for specific purposes. This can be done by familiarizing themselves with the manufacturers’ instruction of the various admixtures. Requisite practitioners should also specify the type and quantity of admixtures to be used in concretes to forestall wrong application. This can be achieved by ensuring that specifiers are proficient in the application of the admixtures specified.
dc.identifier.citation1. Oladiran, O.J., Komolafe, T.A. & Okonkwo, C. (2023). Investigating the application and impact of concrete admixtures in construction projects. The 46th Australasian Universities Building Education Association (AUBEA) Conference, 26-28 November, Massey University, New Zealand.
dc.identifier.urihttps://ir.unilag.edu.ng/handle/123456789/12837
dc.language.isoen
dc.publisherAustralasian Universities Building Education Association (AUBEA)
dc.titleInvestigating the application and impact of concrete admixtures in construction projects.
dc.typeArticle
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