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Development of LRFD Specifications for Horizontally Curved Steel Girder Bridges (2006) / Chapter Skim
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Pages 3-5

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From page 3...
... developed guidance on the analysis of curved girder bridges and characterizations of the strength and stability of curved girders. This work lead to software products and the design provisions that became codified in the 1980 AASHTO Guide Specifications for Horizontally Curved Highway Bridges (hereafter referred to as the "Guide Specifications")
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From page 4...
... Task 3. Apply the available knowledge from Task 1, the results of Task 2, and the design and construction specifications for horizontally curved steel girder highway bridges developed in NCHRP Project 12-38 to develop a set of draft changes to the AASHTO LRFD Bridge Design Specifications and the AASHTO LRFD Bridge Construction Specifications.
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From page 5...
... In 2001, the NCHRP panel directing Project 12-52 became satisfied that the FHWA project was moving quickly enough that within about 2 years it would be possible to develop provisions based on that work. This work was anticipated to result in updated resistance equations.Rather than publishing design provisions and then superseding them in approximately 2 years, the panel decided not to publish the Phase I provisions and instead work toward a schedule that envisioned the adoption of Phase II provisions in 2004, so that it would be available in ample time for the 2007 FHWA deadline for use of AASHTO LRFD specifications on all federally funded projects.
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Key Terms

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  • horizontally curved

  • design provisions
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  • curved girder
  • curved girders
  • bending stress

  • nchrp project
  • curved bridges
  • resistance factor
  • reliability index
  • curved steel

  • steel girder
  • highway bridges
  • girder bridges
  • bridge design
  • lrfd bridge

  • resistance factors
  • literature search
  • design specifications
  • curved bridge
  • highway research

  • load factors
  • factor design
  • curved highway
  • girder bridge
  • girder provisions


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