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Bond stress-slip relationship of oil palm shell lightweight concrete

This paper presents the investigation on the local bond stress-slip behaviour of lightweight oil palm shell concrete (OPSC). The bond properties of the OPSC specimen with varying reinforcing bar diameters (12 and 16 mm), concrete cover sizes (50, 75 and 100 mm) and compressive strengths (25 and 35 M...

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Main Authors: Mo, Kim Hung, Visintin, P., Alengaram, Ubagaram Johnson, Jumaat, Mohd Zamin
Format: Article
Published: Elsevier 2016
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.um.edu.my/17769/
http://dx.doi.org/10.1016/j.engstruct.2016.08.064
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spelling my.um.eprints.177692020-02-05T04:52:08Z http://eprints.um.edu.my/17769/ Bond stress-slip relationship of oil palm shell lightweight concrete Mo, Kim Hung Visintin, P. Alengaram, Ubagaram Johnson Jumaat, Mohd Zamin TA Engineering (General). Civil engineering (General) This paper presents the investigation on the local bond stress-slip behaviour of lightweight oil palm shell concrete (OPSC). The bond properties of the OPSC specimen with varying reinforcing bar diameters (12 and 16 mm), concrete cover sizes (50, 75 and 100 mm) and compressive strengths (25 and 35 MPa) were explored. A concrete cover size to reinforcing bar diameter (C/D) ratio of more than 4.17 resulted in pull-out failure while the ratio of 3.13 caused splitting cracks in the OPSC specimens. The reinforcing bar diameter, concrete cover size and compressive strength affected the normalized bond strength, provided that the splitting failure occurred in the concrete specimens. The proposed bond model for splitting failure incorporating the C/D ratio used in the closed-form solution for prediction of the serviceability crack width was found to give good estimation of the experimental results obtained from the full-scale beam tests. Elsevier 2016 Article PeerReviewed Mo, Kim Hung and Visintin, P. and Alengaram, Ubagaram Johnson and Jumaat, Mohd Zamin (2016) Bond stress-slip relationship of oil palm shell lightweight concrete. Engineering Structures, 127. pp. 319-330. ISSN 0141-0296 http://dx.doi.org/10.1016/j.engstruct.2016.08.064 doi:10.1016/j.engstruct.2016.08.064
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/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Mo, Kim Hung
Visintin, P.
Alengaram, Ubagaram Johnson
Jumaat, Mohd Zamin
Bond stress-slip relationship of oil palm shell lightweight concrete
description This paper presents the investigation on the local bond stress-slip behaviour of lightweight oil palm shell concrete (OPSC). The bond properties of the OPSC specimen with varying reinforcing bar diameters (12 and 16 mm), concrete cover sizes (50, 75 and 100 mm) and compressive strengths (25 and 35 MPa) were explored. A concrete cover size to reinforcing bar diameter (C/D) ratio of more than 4.17 resulted in pull-out failure while the ratio of 3.13 caused splitting cracks in the OPSC specimens. The reinforcing bar diameter, concrete cover size and compressive strength affected the normalized bond strength, provided that the splitting failure occurred in the concrete specimens. The proposed bond model for splitting failure incorporating the C/D ratio used in the closed-form solution for prediction of the serviceability crack width was found to give good estimation of the experimental results obtained from the full-scale beam tests.
format Article
author Mo, Kim Hung
Visintin, P.
Alengaram, Ubagaram Johnson
Jumaat, Mohd Zamin
author_facet Mo, Kim Hung
Visintin, P.
Alengaram, Ubagaram Johnson
Jumaat, Mohd Zamin
author_sort Mo, Kim Hung
title Bond stress-slip relationship of oil palm shell lightweight concrete
title_short Bond stress-slip relationship of oil palm shell lightweight concrete
title_full Bond stress-slip relationship of oil palm shell lightweight concrete
title_fullStr Bond stress-slip relationship of oil palm shell lightweight concrete
title_full_unstemmed Bond stress-slip relationship of oil palm shell lightweight concrete
title_sort bond stress-slip relationship of oil palm shell lightweight concrete
publisher Elsevier
publishDate 2016
url http://eprints.um.edu.my/17769/
http://dx.doi.org/10.1016/j.engstruct.2016.08.064
_version_ 1662755154277957632
score 13.211869

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