Bottom ash - potential use in self-compacting concrete as fine aggregate

Nowadays, practicing 'industrial ecology' for sustainable industrial development is a common practice in the engineering field. This practice promotes recycling by-product waste of one industry by substituting/replacing them for the virgin raw material of another industry, thereby reducing...

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Bibliographic Details
Published in:ARPN journal of engineering and applied sciences 2016-02, Vol.11 (4)
Main Authors: Ibrahim, Mohd Haziman Wan, Abidin, Norul Ernida Zainal, Jamaluddin, Norwati, Kamaruddin, Kartini, Hamzah, Ahmad Farhan
Format: Article
Language:English
Subjects:
Aggregates
Ashes
Byproducts
Concretes
Mortars
Sand
Sustainable development
Wastes
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Summary:Nowadays, practicing 'industrial ecology' for sustainable industrial development is a common practice in the engineering field. This practice promotes recycling by-product waste of one industry by substituting/replacing them for the virgin raw material of another industry, thereby reducing the environmental impact of both. One of those by-product wastes is bottom ash, which produced from coal-fired power plant that faces an increasing production up to hundred and thousand tones over the continents. Previously, a significant amount of research has been conducted in order to explore the potential use of bottom ash in the production of concrete and mortar. Most of the research focused on its potential use as fine aggregate replacing natural sand, and exploring its beneficial properties in enhancing the properties of concrete and mortar. This present paper reviews the literature related to the properties of fresh and hardened concrete incorporating bottom ash as a partial or total replacement to fine aggregate. Comprehensive review on physical, chemical and mechanical properties of bottom ash are presented. The effects of bottom ash on setting time, bleeding and segregation, workability, strength and durability of fresh and hardened concrete are also presented. An effective utilization of bottom ash in the construction industry may help in promoting 'green' culture and sustainable development.
ISSN:1819-6608
1819-6608