ABOUT THE INTERNATIONAL CONCRETE ABSTRACTS PORTAL

  • The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.

International Concrete Abstracts Portal

  


Title: Tensile Behavior of Fiber-Reinforced Polymer Sheets Under Elevated Temperatures

Author(s): Muhammad Faizan Qureshi and Shamim A. Sheikh

Publication: Structural Journal

Volume: 119

Issue: 5

Appears on pages(s): 179-192

Keywords:

DOI: 10.14359/51734664

Date: 9/1/2022

Abstract:

As part of a comprehensive study on the effects of climate change, tensile tests were performed on glass fiber-reinforced polymer (GFRP) and carbon FRP (CFRP) sheets under different temperature loadings to simulate field conditions. Specimens were loaded under two scenarios—that is, sustained temperature (ST) for 15 minutes followed by monotonic load until failure, and sustained deformation or sustained load (SD/SL) while the temperature was increased until the specimen failed. The elevated temperature caused a sharp decrease in the mechanical properties of the FRP as the temperature approached the glass-transition temperature (Tg) of epoxy. Beyond Tg, almost 40% and 50% residual tensile strength were retained by the GFRP and CFRP sheets, respectively. Elevated temperatures also shifted the failure pattern from brittle to softer failure due to epoxy softening. An equation is proposed for FRP properties subjected to elevated temperatures.


ALSO AVAILABLE IN:

Electronic Structural Journal



  

Please enter this 5 digit unlock code on the web page.