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Effect of material properties on ductility of reinforced concrete beams

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Main Authors: Mohammad, Al Amin Siddique, Md., Abdur Rouf
Format: Article
Language:English
Published: The Institution of Engineers, Malaysia 2011
Subjects:
Concrete compressive Strength
Curvature ductility
Moment-curvature relationship
Nonlinear behavior
RC beams
Reinforcing steel
Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/13561
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spelling my.unimap-135612011-08-17T15:12:59Z Effect of material properties on ductility of reinforced concrete beams Mohammad, Al Amin Siddique Md., Abdur Rouf Concrete compressive Strength Curvature ductility Moment-curvature relationship Nonlinear behavior RC beams Reinforcing steel Link to publisher's homepage at http://www.myiem.org.my/ Reinforced concrete (RC) is one of the most important building materials and is widely used in civil engineering structures. The constituents of reinforced concrete such as concrete and steel are very complex due to their different mechanical properties. The stress-strain behavior of concrete under short term compression loading is considered parabolic and that of the steel is elastic plastic. Concrete and reinforcing steel are represented by separate material models that are combined together to describe the behavior of the RC beam sections. The end displacements of the steel element are assumed to be compatible with the boundary displacements of the concrete element which implied perfect bond between them. This paper presents the effects of materials properties such as concrete compressive strength, yield strength of steel and reinforcement content on the curvature ductility of singly reinforced concrete beams as well as doubly reinforced concrete beams. From the analyses, it is observed that the ductility of a singly RC beam decreases as the tension steel content is increased, and the presence of compression steel increases the ductility significantly. For the same reinforcement content the increase in compressive strength of concrete increases curvature ductility of reinforced concrete section and for a doubly reinforced section rate of increase of curvature is more than that of a singly reinforced section. However, the moment ratio increases at a relatively slow rate than that of singly reinforced beams. On the other hand the ductility of RC beams decreases as the strength of reinforcement is increased. 2011-08-17T15:12:59Z 2011-08-17T15:12:59Z 2006-09 Article The Journal of the Institution of Engineers, Malaysia, vol. 67(3), 2006, pages 33-37 0126-513X http://myiem.org.my/content/iem_journal_2006-177.aspx http://hdl.handle.net/123456789/13561 en The Institution of Engineers, Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Concrete compressive Strength
Curvature ductility
Moment-curvature relationship
Nonlinear behavior
RC beams
Reinforcing steel
spellingShingle Concrete compressive Strength
Curvature ductility
Moment-curvature relationship
Nonlinear behavior
RC beams
Reinforcing steel
Mohammad, Al Amin Siddique
Md., Abdur Rouf
Effect of material properties on ductility of reinforced concrete beams
description Link to publisher's homepage at http://www.myiem.org.my/
format Article
author Mohammad, Al Amin Siddique
Md., Abdur Rouf
author_facet Mohammad, Al Amin Siddique
Md., Abdur Rouf
author_sort Mohammad, Al Amin Siddique
title Effect of material properties on ductility of reinforced concrete beams
title_short Effect of material properties on ductility of reinforced concrete beams
title_full Effect of material properties on ductility of reinforced concrete beams
title_fullStr Effect of material properties on ductility of reinforced concrete beams
title_full_unstemmed Effect of material properties on ductility of reinforced concrete beams
title_sort effect of material properties on ductility of reinforced concrete beams
publisher The Institution of Engineers, Malaysia
publishDate 2011
url http://dspace.unimap.edu.my/xmlui/handle/123456789/13561
_version_ 1643790907067072512
score 13.2014675

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