Fresh properties of self-consolidating concrete incorporating palm oil fuel ash as a supplementary cementing material

Safiuddin, M. and Md. Isa, M.H. and Jumaat, Mohd Zamin (2011) Fresh properties of self-consolidating concrete incorporating palm oil fuel ash as a supplementary cementing material. Chiang Mai Journal of Science, 38 (3). pp. 389-404. ISSN 01252526 ,

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Abstract

This paper reports the key fresh properties of self-consolidating concrete (SCC) incorporating palm oil fuel ash (POFA) as a supplementary cementing material. Various SCC mixtures were produced based on the water/binder ratio of 0.50 and 0.60. POFA was incorporated in concretes substituting 0, 5, 10, and 15 of cement by weight. The fresh concretes were tested for the key workability properties of SCC such as filling ability, passing ability, and segregation resistance. The filling ability was determined with respect to slump flow, T 50cm spread time, and V-funnel flow time. The passing ability was measured with regard to J-ring flow. The segregation resistance was qualitatively assessed in respect of visual stability index. The segregation resistance was also quantified by sieve and column tests. Test results showed that the slump flow and J-ring flow decreased whereas the T 50cm spread time and V-funnel flow time increased with higher POFA content. The presence of POFA improved the stability of concrete mixture and provided a lower visual stability index. In addition, the segregation index and segregation factor obtained from sieve and column tests, respectively, decreased with greater POFA content. The overall findings suggest that the filling ability and passing ability of SCC decreased whereas its segregation resistance increased with higher POFA content.

Item Type: Article
Funders: UNSPECIFIED
Additional Information: Cited By (since 1996): 3 Export Date: 6 January 2013 Source: Scopus Language of Original Document: English Correspondence Address: Safiuddin, M.; Department of Civil and Environmental Engineering, Faculty of Engineering, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada; email: msafiudd@engmail.uwaterloo.ca References: Khayat, K.H., Workability, Testing, and Performance of Self-Consolidating Concrete (1999) ACI Materials Journal, 96, pp. 346-353; (2002) Specifications and Guidelines For Self-Consolidating Concrete, , EFNARC, European Federation of Suppliers of Specialist Construction Chemicals (EFNARC), Surrey, UK; Safiuddin, M., (2008) Development of Self-Consolidating High Performance Concrete Incorporating Rice Husk Ash, , Ph.D. Thesis, The University of Waterloo, Waterloo, Ontario, Canada; Safiuddin, M., West, J.S., Soudki, K.A., Flowing Ability of Self-Consolidating Concrete and Its Paste and Mortar Components Incorporating Rice Husk Ash (2010) Canadian Journal of Civil Engineering, 37, pp. 401-412; 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Uncontrolled Keywords: Fislling ability, Palm oil fuel ash, Passing ability, Segregation resistance, Self-consolidating concrete, Supplementary cementing material.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 24 Apr 2013 04:05
Last Modified: 05 Feb 2020 04:34
URI: http://eprints.um.edu.my/id/eprint/5934

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