Short term bond shear stress and cracking control of reinforced self-compacting concrete one way slabs under flexural loading

Aslani, F; Nejadi, S; Samali, B

Short term bond shear stress and cracking control of reinforced self-compacting concrete one way slabs under flexural loading

Aslani, F Nejadi, S Samali, B

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Publication Type:: Journal Article
Citation:: Computers and Concrete, 2014, 13 (6), pp. 709 - 737
Issue Date:: 2014-01-01

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Field	Value	Language
dc.contributor.author	Aslani, F	en_US
dc.contributor.author	Nejadi, S	en_US
dc.contributor.author	Samali, B https://orcid.org/0000-0002-3426-7745	en_US
dc.date.issued	2014-01-01	en_US
dc.identifier.citation	Computers and Concrete, 2014, 13 (6), pp. 709 - 737	en_US
dc.identifier.issn	1598-8198	en_US
dc.identifier.uri	http://hdl.handle.net/10453/122558
dc.description.abstract	Fibre-reinforced self-compacting concrete (FRSCC) is a high-performance building material that combines positive aspects of fresh properties of self-compacting concrete (SCC) with improved characteristics of hardened concrete as a result of fibre addition. To produce SCC, either the constituent materials or the corresponding mix proportions may notably differ from the conventional concrete (CC). These modifications besides enhance the concrete fresh properties affect the hardened properties of the concrete. Therefore, it is vital to investigate whether all the assumed hypotheses about CC are also valid for SCC structures. In the present paper, the experimental results of short-term flexural load tests on eight reinforced SCC and FRSCC specimens slabs are presented. For this purpose, four SCC mixes - two plain SCC, two steel, two polypropylene, and two hybrid FRSCC slab specimens - are considered in the test program. The tests are conducted to study the development of SCC and FRSCC flexural cracking under increasing short-term loads from first cracking through to flexural failure. The achieved experimental results give the SCC and FRSCC slabs bond shear stresses for short-term crack width calculation. Therefore, the adopted bond shear stress for each mix slab is presented in this study. Crack width, crack patterns, deflections at mid-span, steel strains and concrete surface strains at the steel levels were recorded at each load increment in the post-cracking range. Copyright © 2014 Techno-Press, Ltd.	en_US
dc.relation.ispartof	Computers and Concrete	en_US
dc.relation.isbasedon	10.12989/cac.2014.13.6.709	en_US
dc.subject.classification	Building & Construction	en_US
dc.title	Short term bond shear stress and cracking control of reinforced self-compacting concrete one way slabs under flexural loading	en_US
dc.type	Journal Article
utslib.citation.volume	6	en_US
utslib.citation.volume	13	en_US
utslib.for	0905 Civil Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
utslib.copyright.status	closed_access
pubs.issue	6	en_US
pubs.publication-status	Published	en_US
pubs.volume	13	en_US

Abstract:

Fibre-reinforced self-compacting concrete (FRSCC) is a high-performance building material that combines positive aspects of fresh properties of self-compacting concrete (SCC) with improved characteristics of hardened concrete as a result of fibre addition. To produce SCC, either the constituent materials or the corresponding mix proportions may notably differ from the conventional concrete (CC). These modifications besides enhance the concrete fresh properties affect the hardened properties of the concrete. Therefore, it is vital to investigate whether all the assumed hypotheses about CC are also valid for SCC structures. In the present paper, the experimental results of short-term flexural load tests on eight reinforced SCC and FRSCC specimens slabs are presented. For this purpose, four SCC mixes - two plain SCC, two steel, two polypropylene, and two hybrid FRSCC slab specimens - are considered in the test program. The tests are conducted to study the development of SCC and FRSCC flexural cracking under increasing short-term loads from first cracking through to flexural failure. The achieved experimental results give the SCC and FRSCC slabs bond shear stresses for short-term crack width calculation. Therefore, the adopted bond shear stress for each mix slab is presented in this study. Crack width, crack patterns, deflections at mid-span, steel strains and concrete surface strains at the steel levels were recorded at each load increment in the post-cracking range. Copyright © 2014 Techno-Press, Ltd.

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http://hdl.handle.net/10453/122558