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Impact resistance of hybrid fibre reinforced concrete containing sisal fibres
Srinivasa RaoNaraganti, ,
Published in Elsevier BV
Volume: 10
Issue: 2
Pages: 297 - 305
Influence of sisal fibres on impact resistance of structural concrete was investigated and the performance was compared with that of Polypropylene (PP) and Steel fibres. Apart from Mono-fibre reinforced concrete (mono-FRC), resistance of hybrid fibre reinforced concrete (HyFRC) containing steel-Polypropylene (S-PP) and Steel-Sisal (S-Si) fibres to impact loading was also evaluated. Fibre dosages of 0%, 0.50%, 1.00%, 1.25% and 1.50% were used. Drop-weight test in accordance with ACI committee 544 was conducted and compressive strength was evaluated for curing periods of 7, 28 and 90 days. Furthermore, liner regression analysis was performed between the compressive strength and impact resistance. It was found that increase in fibre content improved the impact resistance of FRC. Steel fibre reinforced concrete (SFRC) outperformed and Sisal FRC (SiFRC) showed least performance among mono-FRC. Though S-Si HyFRC performed better as compared to sisal FRC, HyFRC containing S-PP at a fibre dosage 1.5% exhibited superior performance. © 2019 The Authors
About the journal
JournalData powered by TypesetAin Shams Engineering Journal
PublisherData powered by TypesetElsevier BV
Open AccessYes