Guide Specification for Service Life Design of Highway Bridges (2020) / Chapter Skim
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NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges 2 C H A P T E R 1 Introduction Background Explicit design of bridges for service life is an idea that has been germinating for some time, and despite significant effort, has yet to find traction in day-to-day design. The reasons for this lack of impact on current practice have little to do with resistance from owners, who generally view such an evolution as necessary and needed, but rather to a lack of sound and rational guidance.
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NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges 3 The vision of the research team was to provide AASHTO with a specification that lays the groundwork for modern service life design as it relates to bridge structures. The Guide Specification was created with the understanding and intent that the document would be revised and improved periodically in accordance with the future state of practice.
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NCHRP Web-Only Document 269: Guide Specification for Service Life Design of Highway Bridges 4 Contents of the Guide Specification The Guide Specification was organized in a manner similar to the AASHTO LRFD Bridge Design Specifications. The first few sections contain introductory and general guidance information.
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