June 9, 2023
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The American Association of State Highway and Transportation Officials recently released 2022 interim revisions for its “Guide Specifications for Internal Redundancy of Mechanically-Fastened Built-up Steel Members, 1st Edition,” originally published in 2018.

[Above graphic by AASHTO]

This set of guide specifications provides engineers with a reliable tool to assess the internal redundancy of steel bridge members traditionally classified as fracture-critical members.

AASHTO said its 2022 interim revisions to this guide increase the library of simplified solutions that enable more efficient and convenient evaluations of common axially loaded tension members.

To purchase a copy of these 2022 interim revision, visit the AASHTO Store online or click here to link directly to the publication’s webpage.


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