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Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities

The objective of this paper is to evaluate the effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities. Samples consisting of Ordinary Portland Cement (OPC), free water and different volumes of silica aerogel were prepared...

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Main Authors:	Khamidi, M. Faris, Glover, Curtis, Farhan, S. A., Puad, N. H. A., Nuruddin, F
Other Authors:	De Wilde, W. P.
Format:	Book Section
Published:	WIT Press 2014
Subjects:	TA Engineering (General). Civil engineering (General) TH Building construction
Online Access:	http://eprints.utp.edu.my/11328/1/Effect%20of%20silica%20aerogel%20on%20the%20thermal%20conductivity%20of%20cement%20paste%20for%20the%20construction%20of%20concrete%20buildings%20in%20sustainable%20cities.pdf http://www.witpress.com/elibrary/wit-transactions-on-the-built-environment/137/26328 http://eprints.utp.edu.my/11328/
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spelling	my.utp.eprints.113282017-03-20T01:59:20Z Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities Khamidi, M. Faris Glover, Curtis Farhan, S. A. Puad, N. H. A. Nuruddin, F TA Engineering (General). Civil engineering (General) TH Building construction The objective of this paper is to evaluate the effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities. Samples consisting of Ordinary Portland Cement (OPC), free water and different volumes of silica aerogel were prepared and cured for three (3), seven (7) and 28 days. Compressive strength tests were performed on samples at three (3), seven (7) and 28 days of curing. Porosity and thermal conductivity tests were conducted on samples at 28 days of curing. The lowest thermal conductivity measured was 0.076 W/mK, which was achieved by sample mix with 20 ml of silica aerogel (M20), which represents a 93.58% reduction in thermal conductivity relative to the control mix. The highest permeable porosity measured for cement paste incorporated with silica aerogel was 25.6%, which was also obtained by sample M20. However, the highest compressive strength measured was 54.33 MPa, which was obtained by sample mix with 10 ml of silica aerogel (M10) at 28 days of curing. The addition of silica aerogel as filler in cement paste can reduce the thermal conductivity of cement paste at the expense of reduced compressive strength and increased permeable porosity. WIT Press De Wilde, W. P. Hernández, S. Brebbia, C. A. 2014 Book Section PeerReviewed application/pdf http://eprints.utp.edu.my/11328/1/Effect%20of%20silica%20aerogel%20on%20the%20thermal%20conductivity%20of%20cement%20paste%20for%20the%20construction%20of%20concrete%20buildings%20in%20sustainable%20cities.pdf http://www.witpress.com/elibrary/wit-transactions-on-the-built-environment/137/26328 Khamidi, M. Faris and Glover, Curtis and Farhan, S. A. and Puad, N. H. A. and Nuruddin, F (2014) Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities. In: High Performance and Optimum Design of Structures and Materials. WIT Transactions on The Built Environment, 137 . WIT Press, Southampton, UK, pp. 665-674. ISBN 978-1-84564-774-2 http://eprints.utp.edu.my/11328/
institution	Universiti Teknologi Petronas
building	UTP Resource Centre
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Petronas
content_source	UTP Institutional Repository
url_provider	http://eprints.utp.edu.my/
topic	TA Engineering (General). Civil engineering (General) TH Building construction
spellingShingle	TA Engineering (General). Civil engineering (General) TH Building construction Khamidi, M. Faris Glover, Curtis Farhan, S. A. Puad, N. H. A. Nuruddin, F Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities
description	The objective of this paper is to evaluate the effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities. Samples consisting of Ordinary Portland Cement (OPC), free water and different volumes of silica aerogel were prepared and cured for three (3), seven (7) and 28 days. Compressive strength tests were performed on samples at three (3), seven (7) and 28 days of curing. Porosity and thermal conductivity tests were conducted on samples at 28 days of curing. The lowest thermal conductivity measured was 0.076 W/mK, which was achieved by sample mix with 20 ml of silica aerogel (M20), which represents a 93.58% reduction in thermal conductivity relative to the control mix. The highest permeable porosity measured for cement paste incorporated with silica aerogel was 25.6%, which was also obtained by sample M20. However, the highest compressive strength measured was 54.33 MPa, which was obtained by sample mix with 10 ml of silica aerogel (M10) at 28 days of curing. The addition of silica aerogel as filler in cement paste can reduce the thermal conductivity of cement paste at the expense of reduced compressive strength and increased permeable porosity.
author2	De Wilde, W. P.
author_facet	De Wilde, W. P. Khamidi, M. Faris Glover, Curtis Farhan, S. A. Puad, N. H. A. Nuruddin, F
format	Book Section
author	Khamidi, M. Faris Glover, Curtis Farhan, S. A. Puad, N. H. A. Nuruddin, F
author_sort	Khamidi, M. Faris
title	Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities
title_short	Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities
title_full	Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities
title_fullStr	Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities
title_full_unstemmed	Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities
title_sort	effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities
publisher	WIT Press
publishDate	2014
url	http://eprints.utp.edu.my/11328/1/Effect%20of%20silica%20aerogel%20on%20the%20thermal%20conductivity%20of%20cement%20paste%20for%20the%20construction%20of%20concrete%20buildings%20in%20sustainable%20cities.pdf http://www.witpress.com/elibrary/wit-transactions-on-the-built-environment/137/26328 http://eprints.utp.edu.my/11328/
_version_	1738655941324177408
score	13.211869

Effect of silica aerogel on the thermal conductivity of cement paste for the construction of concrete buildings in sustainable cities

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