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Fresh state and mechanical properties of self compacting concrete incorporating POFA

Mohamad, Noridah and Abdul Samad, Abdul Aziz and A. , Nadjua and Goh, Wan Inn and A. , Anas (2016) Fresh state and mechanical properties of self compacting concrete incorporating POFA. Jurnal Teknologi (Sciences & Engineering), 78 (5). pp. 437-441. ISSN 21803722

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Self-compacting concrete (SCC) is considered as a concrete, which can be placed and compacted under its own weight without vibration. The elimination of the need for compaction leads to better quality concrete and substantial improvement of working conditions. This paper investigates the fresh state and mechanical properties of selfcompacting concrete incorporating palm oil fuel ash (POFA) as a substitute for cement. Portland cement (PC) was partially replaced with 0%, 5%, 10% and 15% POFA. The water to cement ratio was fixed at 0.4 for all mixtures. The workability of self-compacting concrete in terms of viscosity was determined from slump flow test (Diameter and T500), and V-funnel. The mechanical property tests were conducted on SCC cubes and cylinders to determine its compressive strength and modulus of elasticity. The results indicate that replacement of 5% POFA is the optimum value for cement replacement to obtain high workability and mechanical properties of concrete. SCC achieved the highest compressive strength at 28 days, which is 38.4 MPa, and MOE of 31.6 GPa with 5% POFA replacement.

Item Type: Article
Uncontrolled Keywords: Self compacting concrete; palm oil fuel ash; workability; compressive strength; modulus of elasticity
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 21 Jun 2017 03:44
Last Modified: 21 Jun 2017 03:44
URI: http://eprints.uthm.edu.my/id/eprint/8512
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