Polyurethane Foam Infill for Fiber-Reinforced Polymer (FRP) Bridge Deck Panels

The objective of the research was to develop, test, and evaluate fiber-reinforced, polyurethane (PU) foams to replace the costly honeycomb construction currently used to manufacture fiber reinforced polymer (FRP) bridge deck panels. Initially, the effort focused on developing an FRP sandwich panel to replace the precast, stay-in-place forms currently used to construct reinforced concrete bridge decks. However, during the course of the project, the research effort expanded to include full-depth bridge deck panels as well. This report documents the results of this study. The report is composed of eight chapters. Chapter 1 gives a brief introduction to the subject area, explains the necessity of this research, and also presents the objectives and scope of work of the investigation. Chapter 2 explains the PU foams selected for component testing and decisions made concerning which materials to move forward for further testing and evaluation. Chapter 3 details the small-scale sandwich panel testing program and results. Chapter 4 contains the stiffness and strength analysis of the small-scale panel test results, including recommendations on which FRP/PU foam combination to advance to the next phase. Chapter 5 presents the mid-scale sandwich panel testing program and results, which includes static, fatigue, and durability testing of the prototype FRP/PU foam sandwich panel. Chapter 6 details construction and testing of a prototype full-scale FRP/PU foam deck panel. Chapter 7 contains a summary of the research investigation as well as recommendations on moving forward. Finally, Chapter 8 contains supplementary information on many unique aspects of FRP bridge decks.

Language

  • English

Media Info

  • Media Type: Digital/other
  • Edition: Final Report
  • Features: Figures; Photos; References; Tables;
  • Pagination: 123p

Subject/Index Terms

Filing Info

  • Accession Number: 01537435
  • Record Type: Publication
  • Report/Paper Numbers: NUTC R295 / R302, Project # 00037417 / 00039445
  • Contract Numbers: DTRT06-G-0014 (Grant)
  • Files: UTC, TRIS, RITA, ATRI, USDOT, STATEDOT
  • Created Date: Aug 29 2014 4:44PM