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TOWARDS GREEN CONCRETE FOR SUSTAINABLE DEVELOPMENT BY SUBSTITUTING CEMENT WITH INCINERATED ASH

Authors: *Oseke F.I, Bello S.A, Maxwell D

ABSTRACT

A cleaner technology in concrete production involving substituting relatively high percentage of cement by incinerated ash (10%, 20% and 30%) in the concrete mix for higher performance in terms of workability, compressive strength, rate of water absorption and percentage of voids was investigated in this study. The results from the investigation showed that the use of incinerated ash produces concrete with improved strengths at all replacement levels in comparison to ordinary cement concrete. The result also showed that the mix containing 30% incinerated ash gave the best overall performance with less voids, more compactness and lower rate of water absorption. This indicate that concrete incorporating incinerated ash exhibit a better pore structure compared to convectional concrete with cement alone. The durability potential of the concrete investigated containing incinerated ash increased with an increase in the ash up to 30% when compared to the control mix with 100% cement. This indeed suggests a good start in considering green concrete for sustainable development.


Affiliations: Department of Training, National Water Resources Institute, Mando-Kaduna, Nigeria
Keywords: Portland Cement, Incinerated Ash, Compressive Strength, Green Concrete, Sustainable Development
Published date: 2017/12/29

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ISSN: 2635-3342 (Print)

ISSN: 2635-3350 (Online)

DOI: In progress

ISI Impact Factor: In progress

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Chemical Engineering Department, Faculty of Engineering, University of Benin, PMB 1154, Ugbowo, Benin City, Edo State, Nigeria.