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Effectiveness of Super-plasticizer on High Volume Fly Ash Concrete

Tay , Lee Peng (2006) Effectiveness of Super-plasticizer on High Volume Fly Ash Concrete. Universiti Teknologi Petronas. (Unpublished)

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Abstract

This research project was aimed to determine the optimum super-plasticizer dosage for producing highly workable, high strength, low porosity and low gas permeability concrete containing high volume fly ash ( 60%) as partial cement replacement. The trial mix with 100% cement was initiated with a water cement ratio of 0.27, which gave very dry mix with negligible slump value. The mix resulted quite poor quality hardened concrete cubes. Then on the next trial, the mix was also not very successful. Finally a mix with 0.4 water cement ratio yielded targeted results and chosen as the final mix water ratio. Super-plasticizer dosage of 0%, 0.5%, I%, 1.5%, 2%, 2.5% and 3% were tested. It is found that super-plasticizer dosage in the range of 1.5% to 2.5% has given the optimum characteristics of concrete including strength, porosity and the gas permeability up to 90 days and 1.5% yields the optimum dosage of super-plasticizer.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 09:33
Last Modified: 25 Jan 2017 09:46
URI: http://utpedia.utp.edu.my/id/eprint/9068

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