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http://hdl.handle.net/20.500.12358/24650
TitlePozzolanic reactivity of ultrafine palm oil fuel ash waste on strength and durability performances of high strength concrete
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Abstract

Palm oil fuel ash (POFA) was utilized as a pozzolanic material in varied quantities to produce high-strength concretes (HSCx) of above 90 MPa, with significant improvement in its engineering and fluid transport properties. The chemical and physical characteristics of ultrafine POFA (U-POFA) utilized in HSCx were investigated along with its concomitant fresh, strength and durability characteristics compared to ordinary Portland cement based type (OPC-HSC). The U-POFA had high surface area of (1.136 m2/g-Blaine), mean particle size (2.06 μm), and glassy phase (70.59%). The HSCx that had replacement level of 0, 20, 40 and 60% of U-POFA recorded the 90-day strength of 100.5, 105.2, 109.0 and 108.5 MPa. Utilizing high volume of POFA in HSCx is possible with improved fineness and heat-treatment at 500 ± 50 °C, and could retard water absorption/permeability, setting and chloride penetration/migration rates …

Authors
Zeyad, Abdullah M
Johari, MA Megat
Tayeh, Bassam A.
Yusuf, Moruf O
TypeJournal Article
Date2017
Published inJournal of Cleaner Production
SeriesVolume: 144
PublisherElsevier
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  • Staff Publications- Faculty of Engineering [906]
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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