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Fire Resistance Requirements for Bio-Based Fiber-Reinforced Polymer Structural Members Read chapter Read first chapter

2023 | OriginalPaper | Chapter

Methodologies for Evaluating FRP-Concrete Interfacial Bond Strength at Elevated Temperatures

Authors : P. P. Bhatt, Venkatesh Kumar R. Kodur

Published in: Fiber Reinforced Polymeric Materials and Sustainable Structures

Publisher: Springer Nature Singapore

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Abstract

The strength of interfacial bond between fiber reinforced polymer (FRP) and concrete substrata influences the capacity of FRP-strengthened concrete structure both at ambient and fire conditions. Evaluation of bond strength is a challenging task at elevated temperatures and requires specialized test setup and a complex set of procedures. In this chapter an innovative test setup and procedure for evaluating the FRP-concrete interfacial bond strength at elevated temperature is proposed, wherein double lap shear tests are conducted on concrete blocks strengthened with FRP sheet. The applicability of the procedure is illustrated by testing the concrete prisms strengthened with carbon FRP sheet at four different temperature levels. The results from the test indicated that the bond strength decreases by 35% at temperatures close glass transition temperature of bonding adhesive.

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previous chapter Fire Resistance Requirements for Bio-Based Fiber-Reinforced Polymer Structural Members
next chapter Durability of FRP Composites for Use in Civil Infrastructure—From Materials to Application
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Metadata
Title
Methodologies for Evaluating FRP-Concrete Interfacial Bond Strength at Elevated Temperatures
Authors
P. P. Bhatt
Venkatesh Kumar R. Kodur
Copyright Year
2023
Publisher
Springer Nature Singapore
Book
Fiber Reinforced Polymeric Materials and Sustainable Structures

Print ISBN: 978-981-19-8978-0

Electronic ISBN: 978-981-19-8979-7

Copyright Year: 2023

DOI
https://doi.org/10.1007/978-981-19-8979-7_2

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