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

Wan Ibrahim, Mohd Haziman and Zainal Abidin, Norul Ernida and Jamaluddin, Norwati and Kamaruddin, Kartini and Hamzah, Ahmad Farhan (2015) Bottom ash – potential use in self-compacting concrete as fine aggregate. In: 9th Malaysian Technical Universities Conference on Engineering and Technology 2015 (MUCET 2015), 11 – 13 October 2015, Johor Baharu, Malaysia.

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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

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: bottom ash; self-compacting concrete; waste by-product
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
Depositing User: Mrs. Nurhayati Ali
Date Deposited: 11 Feb 2016 07:52
Last Modified: 11 Feb 2016 07:52
URI: http://eprints.uthm.edu.my/id/eprint/7615
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