Implementation of closed GFRP stirrups in FRP-RC design of traffic barriers

Paolo Rocchetti, Guillermo Claure, Francisco De Caso, Antonio Nanni

Research output: Contribution to journalConference article

Abstract

The aim of this project is to develop the necessary design knowledge to implement GFRP reinforcement in concrete traffic barriers. Innovation lies in the use of GFRP closed continuous stirrups that became recently available. The design method relies on AASHTO-LRFD Bridge Design Specification and the latest development in specifications issued by the Florida Department of Transportation (FDOT) for Reinforced Concrete (RC) Traffic Barriers. After a review of design procedures for traffic barriers and understanding the mechanical characteristics of GFRP reinforcement, a modified design approach is proposed to reduce GFRP reinforcement amounts and complexity in construction. Supported on experience gained from designing FDOT 32" F-Shape (F32) GFRP RC used in the Halls River Bridge Replacement Project, this study also addressed the 36"-Single Slope (SS36) traffic barrier to be adopted by FDOT in coming years.

Original languageEnglish (US)
Pages (from-to)237-251
Number of pages15
JournalAmerican Concrete Institute, ACI Special Publication
Volume2017-October
Issue numberSP 327
StatePublished - Jan 1 2017
Externally publishedYes
Event13th International Symposium on Fiber-Reinforced Polymer Reinforcement for Concrete Structures 2017, FRPRCS 2017 - Anaheim, United States
Duration: Oct 15 2017Oct 19 2017

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ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

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