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Journal of Materials in Civil Engineering / Volume 16 / Issue 6 / TECHNICAL PAPERS

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Utilization of Palm Oil Fuel Ash in High-Strength Concrete

J. Mater. Civ. Eng. 16, 623 (2004); http://dx.doi.org/10.1061/(ASCE)0899-1561(2004)16:6(623) (6 pages)

Vanchai Sata1, Chai Jaturapitakkul2, and Kraiwood Kiattikomol3

1PhD Candidate, Dept. of Civil Engineering, King Mongkut’s Univ. of Technology Thonburi, Bangkok 10140, Thailand. E-mail: vanchai̱sata@hotmail.com
2Associate Professor, Dept. of Civil Engineering, King Mongkut’s Univ. of Technology Thonburi, Bangkok 10140, Thailand (corresponding author). E-mail: chai.jat@kmutt.ac.th
3Associate Professor, Dept. of Civil Engineering, King Mongkut’s Univ. of Technology Thonburi, Bangkok 10140, Thailand. E-mail: kraiwood.kia@kmutt.ac.th

(Submitted 21 October 2003; accepted 12 February 2004)

This paper presents use of improved palm oil fuel ash (POFA) as a pozzolanic material in producing high-strength concrete. The POFA was ground by ball mill until the median particle size was reduced to about 10 μm. It was used to replace portland cement, ASTM Type I, by 10, 20, and 30% by weight of cementitious materials to make high-strength concrete. It was found that high-strength concrete can be achieved by using ground POFA to replace portland cement Type I up to 30%. At the age of 28 days, concretes containing 10, 20, and 30% of ground POFA gave compressive strengths of 81.3, 85.9, and 79.8 MPa, respectively. Concrete with 20% replacement of ground POFA had the highest strength. It is slightly higher than that of concrete containing 5% condensed silica fume and about 92–94% that of 10% condensed silica fume concrete. The ground POFA content up to 30% had slightly effect on lowering the modulus of elasticity of concrete. In addition, the use of ground POFA reduced the peak temperature rise of concrete under semiadiabatic conditions.

© 2004 ASCE

KEYWORDS

ASCE SUBJECT HEADINGS

Ashes, High strength concretes, Thailand, Recycling

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ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1061/(ASCE)0899-1561(2004)16:6(623)

PUBLICATION DATA

ISSN

0899-1561 (print)  
1943-5533 (online)

Publisher

ASCE

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