Performance of Concrete by Using Palm Oil Fuel Ash (POFA) as a Cement Replacement Material

Author:

Sofri Liyana Ahmad1,Mohd Zahid Mohd Zulham Affandi1,Isa Nur Fitriah1,Azizi Azizan Muhammad1,Ahmad Muhammad Munsif1,Ab Manaf Mohd Badrul Hisyam1,Abdul Rahim Mustaqqim1,Md Ghazaly Zuhayr1,Abu Bakar Juraida1,Ahmran Muhammad Shafiq Aiman1

Affiliation:

1. Universiti Malaysia Perlis

Abstract

Palm Oil Fuel Ash (POFA) is one of the solid waste in Malaysia and had trouble with the ash removal. Therefore, the use of waste oil palm ash can overcome the problem of solid waste. POFA is a pozzolanic material and it can act as a replacement of cement (OPC) to produce concrete with higher strength and low cost. POFA quality will increase as the range made up to a medium level of fineness in the size of 50 microns. POFA used to replace OPC is 0%, 10%, 30% and 50% by weight percent of OPC. POFA concrete compressive strength will be tested after a curing process that concrete age of 7 days and 28 days. POFA concrete density is also tested and compared with OPC concrete. Results showed that compressive strength POFA lower than normal concrete. On the other hand, the replacement of cement by 10% POFA shows a record high in compressive strength compared with other POFA mixing at the age of 7 days and 28 days. Fineness pozzolanic POFA is the best material and can be used as a cement replacement alternative.

Publisher

Trans Tech Publications, Ltd.

Reference11 articles.

1. Ranjbar, N., Mehrali, M., Behnia, A., Alengaram, U. J. & Jumaat, M. Z. 2014. Compressive strength and microstructural analysis of fly ash/palm oil fuel ash based geopolymer mortar. Materials & Design, 59, 532-539.

2. ASTM, C. 618-94a. Standard specification for coal fly ash and Raw or calcined natural pozzolan for use as a mineral admixture in portland cement concret.

3. Farandia, R. Y. 2014. Kinerja Beton High Volume Pofa. Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains, 1, 1-12.

4. Sooraj, V. 2013. Effect of palm oil fuel ash (POFA) on strength properties of concrete. International Journal of Scientific and Research Publications, 3, 1-7.

5. Ishida, T. Creep and Shrinkage of Concrete Containing POFA. Master thesis. Universiti Teknologi Malaysia, Malaysia (1999).

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