Influence of palm oil fuel ash on fresh and mechanical properties of selfcompacting concrete

Mohammadhosseini, Hossein and Abdul Awal, A S M and Ehsan, Abdul Haq (2015) Influence of palm oil fuel ash on fresh and mechanical properties of selfcompacting concrete. Sadhana, 40 (6). pp. 1989-1999. ISSN 0973-7677

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This paper presents experimental results of some fresh and hardened state properties of selfcompacting concrete (SCC) incorporating palm oil fuel ash (POFA). Three concrete mixes namely ordinary Portland cement (OPC) concrete i.e. concrete with 100% OPC as control, and concrete with 30% and 60% POFA having different water/binder (w/b) ratios of 0.4, 0.45 and 0.5 were prepared. Filling ability, passing ability and segregation resistance of SCC along with strength properties were determined and compared with those of the OPC based SCC. Test results revealed that replacement of POFA in general decreased the workability of concrete with acceptable range. The compressive strength, however, increased with lower w/b ratio and lower replacement of ash. The splitting tensile and flexural strength values have also followed the same trend. The results obtained and the observation made in this study suggest that POFA can suitably be used as supplementary cementing material in SCC.

Item Type: Article
Uncontrolled Keywords: Selfcompacting concrete; Palm oil fuel ash; Filling ability; Passing ability; Segregation resistance; Strength.
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Civil Engineering and Built Environment > Department of Civil Engineering : Structural and Materials Engineering
Depositing User: Miss Nur Rasyidah Rosli
Date Deposited: 09 Jan 2022 05:01
Last Modified: 09 Jan 2022 05:01

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