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Ductility behaviour of reinforced palm kernel shell concrete beams

This paper presents the results on the structural behavior of palm kernel shell concrete and its comparison with normal weight concrete (NWC). The structural grade palm kernel shell concrete, a lightweight concrete (LWC) produced using palm kernel shell (PKS) an agricultural waste and by-product of...

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Main Authors: Alengaram, Ubagaram Johnson, Jumaat, Mohd Zamin, Mahmud, H.
Format: Article
Language:English
Published: European Journal of Scientific Research 2008
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.um.edu.my/6092/1/Ductility_behaviour_of_reinforced_palm_kernel_shell_concrete_beams.pdf
http://eprints.um.edu.my/6092/
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spelling my.um.eprints.60922020-02-05T04:25:54Z http://eprints.um.edu.my/6092/ Ductility behaviour of reinforced palm kernel shell concrete beams Alengaram, Ubagaram Johnson Jumaat, Mohd Zamin Mahmud, H. TA Engineering (General). Civil engineering (General) This paper presents the results on the structural behavior of palm kernel shell concrete and its comparison with normal weight concrete (NWC). The structural grade palm kernel shell concrete, a lightweight concrete (LWC) produced using palm kernel shell (PKS) an agricultural waste and by-product of the production of palm oil as lightweight aggregate, referred to hereafter as PKSC. The concrete is of grade 30 and the reinforced concrete beams of size 150 mm x 250 mm x 2100 mm were prepared to study the structural behavior. Similar grade concrete using NWC were also prepared and reinforced. The flexural behavior of under-reinforced concrete beams of grade 30 concrete has been studied and the results are compared with NWC beams which were also designed as grade 30 and under-reinforced similar to that of the PKSC beams. Ten percent of silica fume and five percent of class-F fly ash on cement weight were used as additional and cement replacement cementitious materials respectively. Each beam was tested under two-point loading for flexure until failure. It has been observed from the experimental investigation of the beams, that the moment capacity of PKSC beams was higher than NWC beams by about three percent. In addition, the mode of failure observed in PKSC was ductile compared to the brittle failure of NWC beams. Thus, the PKSC beams showed a ductile failure, giving amble warning before failure happened. PKSC beams also exhibited a lot of cracking thus the crack width and crack spacing was small. The other advantage for PKSC beams was deflection. The PKSC beams exhibited higher deflection under constant load until failure, compared to NWC beams that failed in brittle manner without warning. Higher concrete strains for the reinforcement in the PKSC shows stronger bond between PKSC and the reinforcement. European Journal of Scientific Research 2008 Article PeerReviewed application/pdf en http://eprints.um.edu.my/6092/1/Ductility_behaviour_of_reinforced_palm_kernel_shell_concrete_beams.pdf Alengaram, Ubagaram Johnson and Jumaat, Mohd Zamin and Mahmud, H. (2008) Ductility behaviour of reinforced palm kernel shell concrete beams. European Journal of Scientific Research, 23 (3). pp. 406-420. ISSN 1450216X http://www.scopus.com/inward/record.url?eid=2-s2.0-65449171264&partnerID=40&md5=0188422c38f6f2089d4977a30af926ff
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Alengaram, Ubagaram Johnson
Jumaat, Mohd Zamin
Mahmud, H.
Ductility behaviour of reinforced palm kernel shell concrete beams
description This paper presents the results on the structural behavior of palm kernel shell concrete and its comparison with normal weight concrete (NWC). The structural grade palm kernel shell concrete, a lightweight concrete (LWC) produced using palm kernel shell (PKS) an agricultural waste and by-product of the production of palm oil as lightweight aggregate, referred to hereafter as PKSC. The concrete is of grade 30 and the reinforced concrete beams of size 150 mm x 250 mm x 2100 mm were prepared to study the structural behavior. Similar grade concrete using NWC were also prepared and reinforced. The flexural behavior of under-reinforced concrete beams of grade 30 concrete has been studied and the results are compared with NWC beams which were also designed as grade 30 and under-reinforced similar to that of the PKSC beams. Ten percent of silica fume and five percent of class-F fly ash on cement weight were used as additional and cement replacement cementitious materials respectively. Each beam was tested under two-point loading for flexure until failure. It has been observed from the experimental investigation of the beams, that the moment capacity of PKSC beams was higher than NWC beams by about three percent. In addition, the mode of failure observed in PKSC was ductile compared to the brittle failure of NWC beams. Thus, the PKSC beams showed a ductile failure, giving amble warning before failure happened. PKSC beams also exhibited a lot of cracking thus the crack width and crack spacing was small. The other advantage for PKSC beams was deflection. The PKSC beams exhibited higher deflection under constant load until failure, compared to NWC beams that failed in brittle manner without warning. Higher concrete strains for the reinforcement in the PKSC shows stronger bond between PKSC and the reinforcement.
format Article
author Alengaram, Ubagaram Johnson
Jumaat, Mohd Zamin
Mahmud, H.
author_facet Alengaram, Ubagaram Johnson
Jumaat, Mohd Zamin
Mahmud, H.
author_sort Alengaram, Ubagaram Johnson
title Ductility behaviour of reinforced palm kernel shell concrete beams
title_short Ductility behaviour of reinforced palm kernel shell concrete beams
title_full Ductility behaviour of reinforced palm kernel shell concrete beams
title_fullStr Ductility behaviour of reinforced palm kernel shell concrete beams
title_full_unstemmed Ductility behaviour of reinforced palm kernel shell concrete beams
title_sort ductility behaviour of reinforced palm kernel shell concrete beams
publisher European Journal of Scientific Research
publishDate 2008
url http://eprints.um.edu.my/6092/1/Ductility_behaviour_of_reinforced_palm_kernel_shell_concrete_beams.pdf
http://eprints.um.edu.my/6092/
http://www.scopus.com/inward/record.url?eid=2-s2.0-65449171264&partnerID=40&md5=0188422c38f6f2089d4977a30af926ff
_version_ 1662755145391276032
score 13.211869

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