This paper presents the results of an investigation conducted to analyse the flexural fatigue life of self-compacting concrete with different proportions of steel fibre (SF) and polypropylene fibre (PPF) reinforcement. An experimental programme was planned to obtain the fatigue lives of approximately 250 beam specimens under four-point flexural loading. Approximately 90 static flexural strength tests were also conducted to facilitate fatigue testing. The proportions of SF and PPF varied in volume but the total volume was kept at 1%. The two-parameter Weibull distribution was used to describe the probability distributions of fatigue life data at different stress levels. The gradual replacement of SF with PPF in the mixes was found to reduce the variability in the distribution of fatigue life significantly. The maximum increase of 62% in the shape parameter for the fatigue life of a mix with 100% PPF as with a mix containing 100% SF was observed at a stress level of 0·85.
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October 2020
Research Article|
August 30 2018
Analysis of fatigue life of hybrid fibre reinforced self-compacting concrete Available to Purchase
Shailja Bawa, MTech;
Shailja Bawa, MTech
Assistant Professor, Department of Civil Engineering, Dr B R Ambedkar National Institute of Technology, Jalandhar, India
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Surinder Pal Singh, PhD
Surinder Pal Singh, PhD
Professor, Department of Civil Engineering, Dr B R Ambedkar National Institute of Technology, Jalandhar, India (corresponding author: spsingh@nitj.ac.in)
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Publisher: Emerald Publishing
Received:
March 26 2018
Accepted:
June 19 2018
Online ISSN: 1747-6518
Print ISSN: 1747-650X
ICE Publishing: All rights reserved
2018
Proceedings of the Institution of Civil Engineers - Construction Materials (2020) 173 (5): 251–260.
Article history
Received:
March 26 2018
Accepted:
June 19 2018
Citation
Bawa S, Singh SP (2020), "Analysis of fatigue life of hybrid fibre reinforced self-compacting concrete". Proceedings of the Institution of Civil Engineers - Construction Materials, Vol. 173 No. 5 pp. 251–260, doi: https://doi.org/10.1680/jcoma.18.00026
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