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Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature

The properties of concrete exposed to elevated temperature are of great importance in terms of structural stability and assessment of serviceability state of the structure. This paper presents the results of a study on the performance behaviour of concrete containing high volume palm oil fuel ash ex...

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Main Authors: Abdul Awal, Abu S. M., Shehu, Ibrahim A.
Format: Article
Published: Elsevier Ltd. 2015
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utm.my/id/eprint/58785/
http://dx.doi.org/10.1016/j.conbuildmat.2014.12.001
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spelling my.utm.587852021-08-04T02:03:12Z http://eprints.utm.my/id/eprint/58785/ Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature Abdul Awal, Abu S. M. Shehu, Ibrahim A. TA Engineering (General). Civil engineering (General) The properties of concrete exposed to elevated temperature are of great importance in terms of structural stability and assessment of serviceability state of the structure. This paper presents the results of a study on the performance behaviour of concrete containing high volume palm oil fuel ash exposed to high temperature. Concrete samples were made where ordinary Portland cement was replaced by 50%, 60% and 70% palm oil fuel ash. The samples were thermally treated to elevated temperatures of 200, 400, 600 and 800°C in an electric furnace for a period of 1 h after attaining the peak temperature. Specimens exposed to elevated temperature were cured in air and were tested for visual observation, change in weight, ultrasonic pulse velocity and residual compressive strength. It has been observed that higher the temperature, higher was the residual weight loss of concrete samples. Along with the loss of residual compressive strength, the ultrasonic pulse velocity of concrete was also reduced at elevated temperature. Data generated in this study was used to develop simple relationship for expressing residual compressive strength as a function of ultrasonic pulse velocity. Elsevier Ltd. 2015 Article PeerReviewed Abdul Awal, Abu S. M. and Shehu, Ibrahim A. (2015) Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature. Construction and Building Materials, 76 . pp. 214-220. ISSN 0950-0618 http://dx.doi.org/10.1016/j.conbuildmat.2014.12.001 DOI:10.1016/j.conbuildmat.2014.12.001
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Abdul Awal, Abu S. M.
Shehu, Ibrahim A.
Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature
description The properties of concrete exposed to elevated temperature are of great importance in terms of structural stability and assessment of serviceability state of the structure. This paper presents the results of a study on the performance behaviour of concrete containing high volume palm oil fuel ash exposed to high temperature. Concrete samples were made where ordinary Portland cement was replaced by 50%, 60% and 70% palm oil fuel ash. The samples were thermally treated to elevated temperatures of 200, 400, 600 and 800°C in an electric furnace for a period of 1 h after attaining the peak temperature. Specimens exposed to elevated temperature were cured in air and were tested for visual observation, change in weight, ultrasonic pulse velocity and residual compressive strength. It has been observed that higher the temperature, higher was the residual weight loss of concrete samples. Along with the loss of residual compressive strength, the ultrasonic pulse velocity of concrete was also reduced at elevated temperature. Data generated in this study was used to develop simple relationship for expressing residual compressive strength as a function of ultrasonic pulse velocity.
format Article
author Abdul Awal, Abu S. M.
Shehu, Ibrahim A.
author_facet Abdul Awal, Abu S. M.
Shehu, Ibrahim A.
author_sort Abdul Awal, Abu S. M.
title Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature
title_short Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature
title_full Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature
title_fullStr Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature
title_full_unstemmed Performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature
title_sort performance evaluation of concrete containing high volume palm oil fuel ash exposed to elevated temperature
publisher Elsevier Ltd.
publishDate 2015
url http://eprints.utm.my/id/eprint/58785/
http://dx.doi.org/10.1016/j.conbuildmat.2014.12.001
_version_ 1707765847671439360
score 13.211869

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