Evaluation of structural behaviour of polypropylene fibre reinforced concrete beam under cyclic loading

N. Ghosni, B. Samali, K. Vessalas

Research output: Chapter in Book / Conference PaperConference Paperpeer-review

Abstract

![CDATA[This research project is on utilization of synthetic fibres as intrinsic reinforcement in reinforced concrete beam in order to evaluate the structural behaviour of such element under cyclic loadings. The invaluable goal of this project is to improve the ductility and damping of the concrete beam element. The former helps eliminate or reduce the need for steel reinforcement in concrete structures and the latter provides characteristics with which the structure itself can be responsible for the dynamic loads, therefore the extra costs for external dampers can be eliminated. A simply supported beam approximated as a single degree of freedom system (SDOF) is tested and analysed as part of this project. In such systems there is only one direction of movement defined for a mass under dynamic loads. Hysteresis loops are gathered by applying cyclic loads the results of which are analysed to evaluate the performance of fibre matrix in reinforced beam comparing to the conventional concrete. Results show that by adding Polypropylene fibres by specific percentages, it is possible to improve not only the mechanical performance of reinforce beam but also the behavior of the structural beam under dynamic loads. The behaviour of such beams demonstrated elevated performance to a considerable extend when PP fibres are included in the mix design.]]
Original languageEnglish
Title of host publicationProceedings of the 23rd Australasian Conference on the Mechanics of Structures and Materials (ACMSM23), Byron Bay, Australia, 9-12 December 2014
PublisherSouthern Cross University
Pages319-326
Number of pages8
ISBN (Print)9780994152008
Publication statusPublished - 2014
EventAustralasian Conference on the Mechanics of Structures and Materials -
Duration: 9 Dec 2014 → …

Conference

ConferenceAustralasian Conference on the Mechanics of Structures and Materials
Period9/12/14 → …

Open Access - Access Right Statement

This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license_visit http://creativecommons.org/licenses/by/4.0/

Keywords

  • fiber-reinforced concrete
  • loads (mechanics)
  • polypropylene fibers

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