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Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading

The experimental work presented herein is aimed at studying the effect of steel fibres on the behaviour of reinforced concrete (RC) structures designed accordance with Eurocode 2. An attempt has been made to investigate the potential use of steel fibres can result in a significant reduction in conve...

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Main Author: Heng, Renyi
Format: Undergraduates Project Papers
Language:English
Published: 2014
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://umpir.ump.edu.my/id/eprint/10435/1/HENG%20RENYI.PDF
http://umpir.ump.edu.my/id/eprint/10435/
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spelling my.ump.umpir.104352021-07-21T03:09:29Z http://umpir.ump.edu.my/id/eprint/10435/ Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading Heng, Renyi TA Engineering (General). Civil engineering (General) The experimental work presented herein is aimed at studying the effect of steel fibres on the behaviour of reinforced concrete (RC) structures designed accordance with Eurocode 2. An attempt has been made to investigate the potential use of steel fibres can result in a significant reduction in conventional shear reinforcement and satisfied the requirement of current codes for strength and ductility. In this respect, hooked end steel fibres with aspect ratio .of 80 were used. Three different dosages of steel fibres in the concrete mix was based on the volume fraction of 0, 1 and 2% (0, 82, 164 kg/m'). In this particular case, additional reduction of the conventional shear reinforcement was carried out by spacing increases (SI) of the stirrups by 50% to see whether the loss of shear strength can be compensated by addition of steel fibre. Concrete compression and flexural tests were conducted for studying the compressive, strength, load-carrying capacity, ductility and energy absorption. In order to determine its mechanical properties, 27 cubes of all sides equal to 100 mm and 6 beams of dimension 200x200x3000mm were casted. All cubes specimens was tested until failure in compression machine and found out that the compressive strength of steel fibre reinforced concrete (SFRC) is not influenced by the steel fibre contribution. However, in the flexural test of beam specimens under monotonic loading; the results indicate steel fibre highly enhanced the flexural strength of SFRC beam. Conclusively, the results revealed that steel fibres give insignificant effect to the compressive strength but highly contribute to strength enhancement of SFRC flexural behaviour. Inclusion of steel fibres allowed for a reduction of conventional shear reinforcement without compromising the ductility and load-carrying capacity. This effect has extended the mode of failure of the beam changed from brittle to a more ductile manner as the amount of steel fibres was increased in the concrete mix. 2014-06 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/10435/1/HENG%20RENYI.PDF Heng, Renyi (2014) Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading. Faculty of Civil Engineering and Earth Resources, Universiti Malaysia Pahang.
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Heng, Renyi
Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading
description The experimental work presented herein is aimed at studying the effect of steel fibres on the behaviour of reinforced concrete (RC) structures designed accordance with Eurocode 2. An attempt has been made to investigate the potential use of steel fibres can result in a significant reduction in conventional shear reinforcement and satisfied the requirement of current codes for strength and ductility. In this respect, hooked end steel fibres with aspect ratio .of 80 were used. Three different dosages of steel fibres in the concrete mix was based on the volume fraction of 0, 1 and 2% (0, 82, 164 kg/m'). In this particular case, additional reduction of the conventional shear reinforcement was carried out by spacing increases (SI) of the stirrups by 50% to see whether the loss of shear strength can be compensated by addition of steel fibre. Concrete compression and flexural tests were conducted for studying the compressive, strength, load-carrying capacity, ductility and energy absorption. In order to determine its mechanical properties, 27 cubes of all sides equal to 100 mm and 6 beams of dimension 200x200x3000mm were casted. All cubes specimens was tested until failure in compression machine and found out that the compressive strength of steel fibre reinforced concrete (SFRC) is not influenced by the steel fibre contribution. However, in the flexural test of beam specimens under monotonic loading; the results indicate steel fibre highly enhanced the flexural strength of SFRC beam. Conclusively, the results revealed that steel fibres give insignificant effect to the compressive strength but highly contribute to strength enhancement of SFRC flexural behaviour. Inclusion of steel fibres allowed for a reduction of conventional shear reinforcement without compromising the ductility and load-carrying capacity. This effect has extended the mode of failure of the beam changed from brittle to a more ductile manner as the amount of steel fibres was increased in the concrete mix.
format Undergraduates Project Papers
author Heng, Renyi
author_facet Heng, Renyi
author_sort Heng, Renyi
title Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading
title_short Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading
title_full Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading
title_fullStr Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading
title_full_unstemmed Behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading
title_sort behaviour of two spans continuous steel fibre reinforced concrete beam under monotonic loading
publishDate 2014
url http://umpir.ump.edu.my/id/eprint/10435/1/HENG%20RENYI.PDF
http://umpir.ump.edu.my/id/eprint/10435/
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score 13.211869

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