Paper Type |
Contributed Paper |
Title |
Fresh Properties of Self-consolidating Concrete Incorporating Palm Oil Fuel Ash as a Supplementary Cementing Material |
Author |
Md. Safi uddin*[a], Mohd H. Md.Isa [b], and Mohd Z. Jumaat [b] |
Email |
msafi udd@engmail.uwaterloo.ca |
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 fi lling ability, passing ability, and segregation resistance. The fi lling ability was determined with respect to slump fl ow, T50cm spread time, and V-funnel fl ow time. The passing ability was measured with regard to J-ring fl ow. The segregation resistance was qualitatively assessed in respect of visual stability index. The segregation resistance was also quantifi ed by sieve and column tests. Test results showed that the slump fl ow and J-ring fl ow decreased whereas the T50cm spread time and V-funnel fl ow 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 fi ndings suggest that the fi lling ability and passing ability of SCC decreased whereas its segregation resistance increased with higher POFA content.
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Start & End Page |
389 - 404 |
Received Date |
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Revised Date |
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Accepted Date |
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Full Text |
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Keyword |
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Volume |
Vol.38 No.3 (JULY 2011) |
DOI |
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Citation |
Uddin M.S., Md.isa M.H. and Jumaat M.Z., Fresh Properties of Self-consolidating Concrete Incorporating Palm Oil Fuel Ash as a Supplementary Cementing Material, Chiang Mai J. Sci., 2011; 38(3): 389-404. |
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