UTILIZATION OF PALM OIL FUEL ASH IN CONCRETE: A REVIEW

被引:102
作者
Safiuddin, Md [1 ]
Salam, Md Abdus [2 ]
Jumaat, Mohd Zamin [2 ]
机构
[1] Univ Waterloo, Fac Engn, Dept Civil & Environm Engn, Waterloo, ON N2L 3G1, Canada
[2] Univ Malaya, Dept Civil Engn, Fac Engn, Kuala Lumpur 50603, Malaysia
关键词
concrete; fineness; micro-filling ability; palm oil fuel ash; strength activity index; supplementary cementing material; RICE HUSK ASH; FLY ASHES; STRENGTH; RESISTANCE; MORTAR; WASTE;
D O I
10.3846/13923730.2011.574450
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Uncontrolled dumping of palm oil fuel ash (POFA) not only occupies valuable land but also creates environmental pollution and health hazard. These problems can be reduced to a large extent by using POFA in concrete. A number of research works have been carried out to investigate the potential of POFA for use as a supplementary cementing material in normal, high strength, high performance, and aerated concretes. This paper presents a review on the use of POFA in different types of concrete. It firstly discusses the physical and chemical properties of POFA. Then the emphasis has been given on the effects of POFA on the fresh and hardened properties, and durability of concrete. This paper shows that both ground and unground POFA increase the water demand and thus decrease the workability of concrete. However, ground POFA has shown a good potential for improving the hardened properties and durability of concrete due to its satisfactory micro-filling ability and pozzolanic activity. In addition to discussing the benefits of POFA, this study has identified certain gaps in the present state of knowledge on POFA concrete, and listed several research needs for future investigation. The findings of this study would encourage the use of POFA as a supplementary cementing material for concrete.
引用
收藏
页码:234 / 247
页数:14
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