Coal ash foamed bricks stabilised with hydrated lime-activated GGBS (HL-GGBS) / Mohamad Ezad Hafez Mohd Pahroraji

Mohd Pahroraji, Mohamad Ezad Hafez (2017) Coal ash foamed bricks stabilised with hydrated lime-activated GGBS (HL-GGBS) / Mohamad Ezad Hafez Mohd Pahroraji. PhD thesis, Universiti Teknologi MARA Cawangan Sarawak.

Abstract

Coal-fired thermal power plant produces million tonnes of coal ash as an Industrial byproduct and is significant to be used as raw material for fabrication of bricks. Coal ash could potentially substitute the traditional materials i.e. clay and sand that were used to produce fired clay and cement sand bricks. Clay and sand were continuously extracted from depleting and dwindling non-renewable natural resources that could gradually degrade the environment in the long run. Meanwhile, lime and Portland cement are popular binding materials that could eventually damage and pollute the environment if continually used without control. Alternatively, ground granulated blastfurnace slag (GGBS), an industnal by-product could be used as substitution. However, GGBS requires activation in an alkaline environment for self-cementitious acceleration. For now, the reliable source of alkali is lime or Portland cement.

Metadata

Item Type: Thesis (PhD)
Creators:
Creators
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Mohd Pahroraji, Mohamad Ezad Hafez
UNSPECIFIED
Subjects: H Social Sciences > H Social Sciences (General)
H Social Sciences > HD Industries. Land use. Labor
Divisions: Universiti Teknologi MARA, Sarawak > Kota Samarahan II Campus > Faculty of Civil Engineering
Programme: Doctor of Philosophy (Civil Engineering)
Keywords: Coal ash, foamed bricks, Hydrated Lime-Activated GGBS
Date: June 2017
URI: https://ir.uitm.edu.my/id/eprint/46405
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