Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash

In the absence of steel reinforcement, the brittle nature of conventional concrete always results in catastrophic failure without warning. Researches since decades ago shown that the addition of fibres into the concrete enhanced its ductility while admixtures help to strengthen the cement matrix. To...

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Main Author:	Lee, Yee Khai
Format:	Thesis
Language:	English
Published:	2012
Subjects:	T Technology (General)
Online Access:	http://eprints.utm.my/id/eprint/32269/1/LeeYeeKhaiMFKA2012.pdf
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id	my-utm-ep.32269
record_format	uketd_dc
spelling	my-utm-ep.322692017-07-13T04:09:11Z Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash 2012 Lee, Yee Khai T Technology (General) In the absence of steel reinforcement, the brittle nature of conventional concrete always results in catastrophic failure without warning. Researches since decades ago shown that the addition of fibres into the concrete enhanced its ductility while admixtures help to strengthen the cement matrix. To study the effects of palm oil fuel ash (POFA) on the mechanical properties of glass fibre reinforced concrete (GFRC), an experimental programme involved Vebe consistency test, ultrasonic pulse velocity test, compressive strength test, splitting tensile strength test and flexural strength test was carried out. Normal concrete and GFRC with 0, 10, 20 and 30% of POFA were prepared and tested at the age of 1, 7, 28 and 90 days. The glass fibre used was 12mm Cem-Fil Alkali-Resistant (AR) glass fibre added into the concrete at a percentage of 0.5 by volume of concrete. The result shows that the addition of glass fibres reduced the workability of the concrete but the use of superplasticiser helped to compensate the loss. In term of mechanical properties, glass fibres reduced the compressive strength of the concrete for about 10.0% but 20% replacement of cement with POFA gave a 5.4% improvement to the compressive strength at later age. With the incorporation of glass fibres into the concrete, the splitting tensile strength and flexural strength were increased by 2.2% and 20.0% respectively. The replacement of 20% cement with POFA further enhance the concrete for another 8.2% and 10.6% of splitting tensile and flexural strength respectively. In conclusion, glass fibres reduced the compressive strength of the concrete but it helped in improving the splitting tensile and flexural strength of the concrete. To strengthen the concrete, 20% replacement of cement with POFA was found to be the optimum value. 2012 Thesis http://eprints.utm.my/id/eprint/32269/ http://eprints.utm.my/id/eprint/32269/1/LeeYeeKhaiMFKA2012.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:68093?site_name=Restricted Repository masters Universiti Teknologi Malaysia, Faculty of Civil Engineering Faculty of Civil Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	T Technology (General)
spellingShingle	T Technology (General) Lee, Yee Khai Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash
description	In the absence of steel reinforcement, the brittle nature of conventional concrete always results in catastrophic failure without warning. Researches since decades ago shown that the addition of fibres into the concrete enhanced its ductility while admixtures help to strengthen the cement matrix. To study the effects of palm oil fuel ash (POFA) on the mechanical properties of glass fibre reinforced concrete (GFRC), an experimental programme involved Vebe consistency test, ultrasonic pulse velocity test, compressive strength test, splitting tensile strength test and flexural strength test was carried out. Normal concrete and GFRC with 0, 10, 20 and 30% of POFA were prepared and tested at the age of 1, 7, 28 and 90 days. The glass fibre used was 12mm Cem-Fil Alkali-Resistant (AR) glass fibre added into the concrete at a percentage of 0.5 by volume of concrete. The result shows that the addition of glass fibres reduced the workability of the concrete but the use of superplasticiser helped to compensate the loss. In term of mechanical properties, glass fibres reduced the compressive strength of the concrete for about 10.0% but 20% replacement of cement with POFA gave a 5.4% improvement to the compressive strength at later age. With the incorporation of glass fibres into the concrete, the splitting tensile strength and flexural strength were increased by 2.2% and 20.0% respectively. The replacement of 20% cement with POFA further enhance the concrete for another 8.2% and 10.6% of splitting tensile and flexural strength respectively. In conclusion, glass fibres reduced the compressive strength of the concrete but it helped in improving the splitting tensile and flexural strength of the concrete. To strengthen the concrete, 20% replacement of cement with POFA was found to be the optimum value.
format	Thesis
qualification_level	Master's degree
author	Lee, Yee Khai
author_facet	Lee, Yee Khai
author_sort	Lee, Yee Khai
title	Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash
title_short	Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash
title_full	Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash
title_fullStr	Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash
title_full_unstemmed	Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash
title_sort	mechanical properties of glass fibre reinforced concrete with palm oil fuel ash
granting_institution	Universiti Teknologi Malaysia, Faculty of Civil Engineering
granting_department	Faculty of Civil Engineering
publishDate	2012
url	http://eprints.utm.my/id/eprint/32269/1/LeeYeeKhaiMFKA2012.pdf
_version_	1747815962061570048

Mechanical properties of glass fibre reinforced concrete with palm oil fuel ash

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