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A platform for research: civil engineering, architecture and urbanism
Synthetic and steel fibres in concrete with regard to equal toughness
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Establishing toughness performance in concrete using steel fibres is well understood, and design guides are available to assist with this process. What is less readily understood is the use of Type 2 synthetic fibres to provide toughness. This problem is exacerbated by the wide range of synthetic fibres available, with each different fibre providing different structural properties. This paper seeks to address this issue.
The paper examines the relative pull-out values of two single fibre types, i.e. steel and Type 2 synthetic fibres. The pull-out test results have informed the doses of fibre additions to beams which have been used to equate near equal toughness performance for each fibre type.
The results show that synthetic Type 2 fibres, when used at a prescribed additional volume, can provide toughness equal to steel fibre concrete.
The scientific study of fibre pull-out behaviour is well understood and described herein under additional reading. Practical testing to show contractors and clients how to balance the dose of fibres in concrete, so that synthetic fibres could be used as a steel fibre replacement, is not well researched. This paper bridges the information gap.
Synthetic and steel fibres in concrete with regard to equal toughness
–
Establishing toughness performance in concrete using steel fibres is well understood, and design guides are available to assist with this process. What is less readily understood is the use of Type 2 synthetic fibres to provide toughness. This problem is exacerbated by the wide range of synthetic fibres available, with each different fibre providing different structural properties. This paper seeks to address this issue.
The paper examines the relative pull-out values of two single fibre types, i.e. steel and Type 2 synthetic fibres. The pull-out test results have informed the doses of fibre additions to beams which have been used to equate near equal toughness performance for each fibre type.
The results show that synthetic Type 2 fibres, when used at a prescribed additional volume, can provide toughness equal to steel fibre concrete.
The scientific study of fibre pull-out behaviour is well understood and described herein under additional reading. Practical testing to show contractors and clients how to balance the dose of fibres in concrete, so that synthetic fibres could be used as a steel fibre replacement, is not well researched. This paper bridges the information gap.
Synthetic and steel fibres in concrete with regard to equal toughness
Richardson, A.E. (author) / Coventry, K. (author) / Landless, S. (author)
Structural Survey ; 28 ; 355-369
2010-11-09
15 pages
Article (Journal)
Electronic Resource
English
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