Evaluation of the Mechanical Properties of Steel and Polypropylene Fibre-Reinforced Concrete Used in Beam Column Joints

Ghosni, N; Samali, B; Valipour, H

Evaluation of the Mechanical Properties of Steel and Polypropylene Fibre-Reinforced Concrete Used in Beam Column Joints

Ghosni, N Samali, B

Valipour, H

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Publication Type:: Conference Proceeding
Citation:: Composite Construction in Steel and Concrete VII - Proceedings of the 2013 International Conference on Composite Construction in Steel and Concrete, 2013, pp. 401 - 407
Issue Date:: 2013-01-01

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Field	Value	Language
dc.contributor.author	Ghosni, N	en_US
dc.contributor.author	Samali, B https://orcid.org/0000-0002-3426-7745	en_US
dc.contributor.author	Valipour, H	en_US
dc.date.issued	2013-01-01	en_US
dc.identifier.citation	Composite Construction in Steel and Concrete VII - Proceedings of the 2013 International Conference on Composite Construction in Steel and Concrete, 2013, pp. 401 - 407	en_US
dc.identifier.isbn	9780784479735	en_US
dc.identifier.uri	http://hdl.handle.net/10453/105446
dc.description.abstract	© ASCE. Investigations on improving characteristics of concrete structures utilizing fibre reinforced concrete (FRC) have gained momentum in the last few decades. Using suitable fibres and additives in concrete to advance its performance is an important consideration in the construction industry. With regards to structural aspects of concrete, the important goal of this project is to improve the ductility of the concrete beam column joints, which helps eliminate or reduce the need for steel reinforcement. Fibres within the matrix, can bridge the cracks, which improves the performance of concrete matrix and results in a better stress bearing concrete material. This research project aims to investigative the effect of polypropylene (PP) and steel fibre volume percentage within the concrete on its mechanical properties. Concrete fresh properties as well as hardened properties have been tested and evaluated to work out the best fibre percentage to be added to concrete structure. From among the trial mix designs, five sets of FRC have been fully tested for the mechanical properties and also evaluated for the beam column concrete joint behaviour. Slump, mass per unit volume and air content have been tested to work out the fresh properties of concrete. 7 and 28-day compressive strength and also indirect tensile tests have been performed on the hardened concrete the results of which are presented in this paper. By using 0.5% by volume fraction of 30mm steel fibre, the indirect tensile strength of concrete has increased by 21%; however, when 1% of steel fibre has been utilized, about 45% increase has been observed. Furthermore, a sample of the joint test conducted will be presented in this work to illustrate the finite goal of this project.	en_US
dc.relation.ispartof	Composite Construction in Steel and Concrete VII - Proceedings of the 2013 International Conference on Composite Construction in Steel and Concrete	en_US
dc.title	Evaluation of the Mechanical Properties of Steel and Polypropylene Fibre-Reinforced Concrete Used in Beam Column Joints	en_US
dc.type	Conference Proceeding
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/Provost
pubs.organisational-group	/University of Technology Sydney/Provost/Jumbunna
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US

Abstract:

© ASCE. Investigations on improving characteristics of concrete structures utilizing fibre reinforced concrete (FRC) have gained momentum in the last few decades. Using suitable fibres and additives in concrete to advance its performance is an important consideration in the construction industry. With regards to structural aspects of concrete, the important goal of this project is to improve the ductility of the concrete beam column joints, which helps eliminate or reduce the need for steel reinforcement. Fibres within the matrix, can bridge the cracks, which improves the performance of concrete matrix and results in a better stress bearing concrete material. This research project aims to investigative the effect of polypropylene (PP) and steel fibre volume percentage within the concrete on its mechanical properties. Concrete fresh properties as well as hardened properties have been tested and evaluated to work out the best fibre percentage to be added to concrete structure. From among the trial mix designs, five sets of FRC have been fully tested for the mechanical properties and also evaluated for the beam column concrete joint behaviour. Slump, mass per unit volume and air content have been tested to work out the fresh properties of concrete. 7 and 28-day compressive strength and also indirect tensile tests have been performed on the hardened concrete the results of which are presented in this paper. By using 0.5% by volume fraction of 30mm steel fibre, the indirect tensile strength of concrete has increased by 21%; however, when 1% of steel fibre has been utilized, about 45% increase has been observed. Furthermore, a sample of the joint test conducted will be presented in this work to illustrate the finite goal of this project.

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http://hdl.handle.net/10453/105446