Publication Type:

Journal Article

Source:

Construction and Building Materials, Elsevier Ltd, Volume 133, p.146-153 (2017)

URL:

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85007223366&doi=10.1016%2fj.conbuildmat.2016.12.045&partnerID=40&md5=5b38bc925d0d4a6e8ad3a21a0b37df68

Keywords:

Absorption characteristics, Axial compressive behaviour, Carbon, Carbon fiber reinforced plastics, Carbon fiber reinforced polymer, Comparative performance analysis, Concrete buildings, Concrete construction, Concretes, Ductility, Durability, Energy absorption, Fiber reinforced plastics, Fibers, Glass, Glass fiber reinforced polymer, Glass fibers, Hybrid fiber composites, Hybrid materials, Lateral confining pressure, Natural fibers, Plasma confinement, Polymers, Reinforced concrete, Reinforced plastics, retrofitting, Synthetic and natural fibers

Abstract:

<p>In this work an attempt has been made to assess the efficacy of hybrid composite system as a potential choice for the retrofitting of reinforced concrete structures. The combination of synthetic and natural fibers are used for the external confinement of concrete cylinders. A comparative performance analysis of hybrid sisal-glass fiber reinforced polymer (HSGFRP) confinement vis a vis carbon fiber reinforced polymer (CFRP), glass fiber reinforced polymer (GFRP) and sisal reinforced polymer (SFRP) individual confinement is carried out. The axial compressive behaviour, stress-strain response and energy absorption characteristics are studied. The inclusion of sisal fibers along with glass fiber is found to improve the energy absorption characteristics. For predicting the ultimate strength of HSGFRP confined concrete, a new equation was developed based on the lateral confining pressure which shows good agreement with the experimental results. Durability performance studies indicated that exposure to wet/dry conditions and temperature variations resulted an increase in strength for all FRP confined specimens and whereas it decreased for unconfined ones. © 2016 Elsevier Ltd</p>

Notes:

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Cite this Research Publication

Aa Padanattil, Dr. Jayanarayanan K., and Dr. Mini K. M., “Novel hybrid composites based on glass and sisal fiber for retrofitting of reinforced concrete structures”, Construction and Building Materials, vol. 133, pp. 146-153, 2017.

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