Pretreatment of Woven Jute FRP Composite and Its Use in Strengthening of Reinforced Concrete Beams in Flexure

Environmental awareness motivates researchers worldwide to perform studies of natural fibre reinforced polymer composites, as they come with many advantages and are primarily sustainable. The present study aims at evaluating the mechanical characteristics of natural woven jute fibre reinforced polym...

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Main Authors: Tara Sen, H. N. Jagannatha Reddy
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2013/128158
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author Tara Sen
H. N. Jagannatha Reddy
author_facet Tara Sen
H. N. Jagannatha Reddy
author_sort Tara Sen
collection DOAJ
description Environmental awareness motivates researchers worldwide to perform studies of natural fibre reinforced polymer composites, as they come with many advantages and are primarily sustainable. The present study aims at evaluating the mechanical characteristics of natural woven jute fibre reinforced polymer (FRP) composite subjected to three different pretreatments, alkali, benzyl chloride, and lastly heat treatment. It was concluded that heat treatment is one of the most suitable treatment methods for enhancing mechanical properties of jute FRP. Durability studies on Jute FRP pertaining to some common environmental conditions were also carried out such as effect of normal water and thermal aging on the tensile strength of jute FRP followed by fire flow test. The heat treated woven jute FRP composites were subsequently used for flexural strengthening of reinforced concrete beams in full and strip wrapping configurations. The study includes the effect of flexural strengthening provided by woven jute FRP, study of different failure modes, load deflection behavior, effect on the first crack load, and ultimate flexural strength of concrete beams strengthened using woven jute FRP subjected to bending loads. The study concludes that woven jute FRP is a suitable material which can be used for flexural upgradation of reinforced concrete beams.
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spelling doaj-art-55e4122bc6d44108baf7e33e7ad0534e2025-02-03T01:30:59ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422013-01-01201310.1155/2013/128158128158Pretreatment of Woven Jute FRP Composite and Its Use in Strengthening of Reinforced Concrete Beams in FlexureTara Sen0H. N. Jagannatha Reddy1Department of Civil Engineering, National Institute of Technology, Agartala, Barjala, Tripura (West), Jirania, Pin 799055, IndiaDepartment of Civil Engineering, Bangalore Institute of Technology, K. R. Road, V. V. Puram, Bangalore, Pin 560004, IndiaEnvironmental awareness motivates researchers worldwide to perform studies of natural fibre reinforced polymer composites, as they come with many advantages and are primarily sustainable. The present study aims at evaluating the mechanical characteristics of natural woven jute fibre reinforced polymer (FRP) composite subjected to three different pretreatments, alkali, benzyl chloride, and lastly heat treatment. It was concluded that heat treatment is one of the most suitable treatment methods for enhancing mechanical properties of jute FRP. Durability studies on Jute FRP pertaining to some common environmental conditions were also carried out such as effect of normal water and thermal aging on the tensile strength of jute FRP followed by fire flow test. The heat treated woven jute FRP composites were subsequently used for flexural strengthening of reinforced concrete beams in full and strip wrapping configurations. The study includes the effect of flexural strengthening provided by woven jute FRP, study of different failure modes, load deflection behavior, effect on the first crack load, and ultimate flexural strength of concrete beams strengthened using woven jute FRP subjected to bending loads. The study concludes that woven jute FRP is a suitable material which can be used for flexural upgradation of reinforced concrete beams.http://dx.doi.org/10.1155/2013/128158
spellingShingle Tara Sen
H. N. Jagannatha Reddy
Pretreatment of Woven Jute FRP Composite and Its Use in Strengthening of Reinforced Concrete Beams in Flexure
Advances in Materials Science and Engineering
title Pretreatment of Woven Jute FRP Composite and Its Use in Strengthening of Reinforced Concrete Beams in Flexure
title_full Pretreatment of Woven Jute FRP Composite and Its Use in Strengthening of Reinforced Concrete Beams in Flexure
title_fullStr Pretreatment of Woven Jute FRP Composite and Its Use in Strengthening of Reinforced Concrete Beams in Flexure
title_full_unstemmed Pretreatment of Woven Jute FRP Composite and Its Use in Strengthening of Reinforced Concrete Beams in Flexure
title_short Pretreatment of Woven Jute FRP Composite and Its Use in Strengthening of Reinforced Concrete Beams in Flexure
title_sort pretreatment of woven jute frp composite and its use in strengthening of reinforced concrete beams in flexure
url http://dx.doi.org/10.1155/2013/128158
work_keys_str_mv AT tarasen pretreatmentofwovenjutefrpcompositeanditsuseinstrengtheningofreinforcedconcretebeamsinflexure
AT hnjagannathareddy pretreatmentofwovenjutefrpcompositeanditsuseinstrengtheningofreinforcedconcretebeamsinflexure