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Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall

Concrete core-walls are penetrated by vertical families of openings for doors to stairs, lifts and other spaces. These openings separate the core as a whole into a number of sub-cores linked by coupling-beams being the residual strips of concrete core-wall above and below openings. The (span/depth)...

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Main Author: Taha, Omar Abdulrazzaq
Format: Thesis
Language:English
Published: 2013
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utm.my/id/eprint/33199/1/OmarAbdulrazzaqTahaMFKA2013.pdf
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spelling my.utm.331992017-09-18T02:11:06Z http://eprints.utm.my/id/eprint/33199/ Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall Taha, Omar Abdulrazzaq TA Engineering (General). Civil engineering (General) Concrete core-walls are penetrated by vertical families of openings for doors to stairs, lifts and other spaces. These openings separate the core as a whole into a number of sub-cores linked by coupling-beams being the residual strips of concrete core-wall above and below openings. The (span/depth) ratio of these beams is determined by non-structural considerations and usually well into the ‘deep beam’ range prone to brittle behavior. This paper presents the results of tests of three coupling beam specimens in which the influence of three types of shear reinforcement were studied. All specimens were of the same dimensions and provided with different types of shear reinforcement. In order to investigate the contribution of various types of shear reinforcement, one specimen was provided with diagonal bars confined by spiral stirrups, and the second one provided with diagonal bars without stirrups, and the third one provided with the steel plate. All fixed vertically from one side and let the second side free to the top and the load was applied to the top portion of coupling beam. The performances of coupling beam were measured in terms of crack development and drifts, failure mode and ultimate load. The results of the coupling beam reinforced with diagonal bars and spiral stirrups showed high resisting of shear capacity comparing with other specimens, and coupling beam with diagonal reinforcement only showed high performance same as to that with spiral stirrups, and the third specimen of coupling beam with steel plate showed weak performance to dissipate the shear stresses. 2013-01 Thesis NonPeerReviewed application/pdf en http://eprints.utm.my/id/eprint/33199/1/OmarAbdulrazzaqTahaMFKA2013.pdf Taha, Omar Abdulrazzaq (2013) Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall. Masters thesis, Universiti Teknologi Malaysia, Faculty of Civil Engineering. http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:70007?site_name=Restricted Repository
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/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Taha, Omar Abdulrazzaq
Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall
description Concrete core-walls are penetrated by vertical families of openings for doors to stairs, lifts and other spaces. These openings separate the core as a whole into a number of sub-cores linked by coupling-beams being the residual strips of concrete core-wall above and below openings. The (span/depth) ratio of these beams is determined by non-structural considerations and usually well into the ‘deep beam’ range prone to brittle behavior. This paper presents the results of tests of three coupling beam specimens in which the influence of three types of shear reinforcement were studied. All specimens were of the same dimensions and provided with different types of shear reinforcement. In order to investigate the contribution of various types of shear reinforcement, one specimen was provided with diagonal bars confined by spiral stirrups, and the second one provided with diagonal bars without stirrups, and the third one provided with the steel plate. All fixed vertically from one side and let the second side free to the top and the load was applied to the top portion of coupling beam. The performances of coupling beam were measured in terms of crack development and drifts, failure mode and ultimate load. The results of the coupling beam reinforced with diagonal bars and spiral stirrups showed high resisting of shear capacity comparing with other specimens, and coupling beam with diagonal reinforcement only showed high performance same as to that with spiral stirrups, and the third specimen of coupling beam with steel plate showed weak performance to dissipate the shear stresses.
format Thesis
author Taha, Omar Abdulrazzaq
author_facet Taha, Omar Abdulrazzaq
author_sort Taha, Omar Abdulrazzaq
title Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall
title_short Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall
title_full Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall
title_fullStr Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall
title_full_unstemmed Influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall
title_sort influence of diagonal reinforcement with spiral stirrps on shear capacity of coupling beam in shear wall
publishDate 2013
url http://eprints.utm.my/id/eprint/33199/1/OmarAbdulrazzaqTahaMFKA2013.pdf
http://eprints.utm.my/id/eprint/33199/
http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:70007?site_name=Restricted Repository
_version_ 1643649260390973440
score 13.211869

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