Ternary blends of Portland cement, bottom ash and silica fume: Compressive strength of mortars and phase characterizations

Bottom ash, a by-product from coal power plant was blended with Portland cement and silica fume to produce ternary blend mixes. Compressive strength of mortars and phase characterizations were investigated. Bottom ash was used to replace part of Portland cement at 10%, 20% and 30% by weight and sili...

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Main Authors: Arnon Chaipanich, Watcharapong Wongkeo
Format: Journal
Published: 2018
Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84899660327&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/45266
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-452662018-01-24T06:07:33Z Ternary blends of Portland cement, bottom ash and silica fume: Compressive strength of mortars and phase characterizations Arnon Chaipanich Watcharapong Wongkeo Bottom ash, a by-product from coal power plant was blended with Portland cement and silica fume to produce ternary blend mixes. Compressive strength of mortars and phase characterizations were investigated. Bottom ash was used to replace part of Portland cement at 10%, 20% and 30% by weight and silica fume was used as an additional material at 5% by weight. Compressive strength test results of blend cement mortars show an increase in compressive strength when silica fume was used in the mix in addition to that of bottom ash. The benefit of silica fume addition was clearly seen especially for mixes with higher bottom ash content (30% bottom ash), compressive strength was significantly enhanced to exhibit strength similar to that of Portland cement control. Thermogravimetric analysis confirms the pozzolanic reaction of silica fume showing an increase in calcium silicate hydrate (C-S-H) and gehlenite hydrate (C 2 ASH 8 ) phases when silica fume was added. X-ray diffraction traces, in general, showed a reduction in Ca(OH) 2 peaks while Scanning Electron Microscopy showed a denser cement matrix when silica fume was added. 2018-01-24T06:07:33Z 2018-01-24T06:07:33Z 2014-01-01 Journal 01252526 2-s2.0-84899660327 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84899660327&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/45266
institution Chiang Mai University
building Chiang Mai University Library
country Thailand
collection CMU Intellectual Repository
description Bottom ash, a by-product from coal power plant was blended with Portland cement and silica fume to produce ternary blend mixes. Compressive strength of mortars and phase characterizations were investigated. Bottom ash was used to replace part of Portland cement at 10%, 20% and 30% by weight and silica fume was used as an additional material at 5% by weight. Compressive strength test results of blend cement mortars show an increase in compressive strength when silica fume was used in the mix in addition to that of bottom ash. The benefit of silica fume addition was clearly seen especially for mixes with higher bottom ash content (30% bottom ash), compressive strength was significantly enhanced to exhibit strength similar to that of Portland cement control. Thermogravimetric analysis confirms the pozzolanic reaction of silica fume showing an increase in calcium silicate hydrate (C-S-H) and gehlenite hydrate (C 2 ASH 8 ) phases when silica fume was added. X-ray diffraction traces, in general, showed a reduction in Ca(OH) 2 peaks while Scanning Electron Microscopy showed a denser cement matrix when silica fume was added.
format Journal
author Arnon Chaipanich
Watcharapong Wongkeo
spellingShingle Arnon Chaipanich
Watcharapong Wongkeo
Ternary blends of Portland cement, bottom ash and silica fume: Compressive strength of mortars and phase characterizations
author_facet Arnon Chaipanich
Watcharapong Wongkeo
author_sort Arnon Chaipanich
title Ternary blends of Portland cement, bottom ash and silica fume: Compressive strength of mortars and phase characterizations
title_short Ternary blends of Portland cement, bottom ash and silica fume: Compressive strength of mortars and phase characterizations
title_full Ternary blends of Portland cement, bottom ash and silica fume: Compressive strength of mortars and phase characterizations
title_fullStr Ternary blends of Portland cement, bottom ash and silica fume: Compressive strength of mortars and phase characterizations
title_full_unstemmed Ternary blends of Portland cement, bottom ash and silica fume: Compressive strength of mortars and phase characterizations
title_sort ternary blends of portland cement, bottom ash and silica fume: compressive strength of mortars and phase characterizations
publishDate 2018
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84899660327&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/45266
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