An Adaptation of the Uniform Force Method

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Description

The Uniform Force Method (UFM) is a powerful tool to facilitate rational, economical design of gusset plates. As presented in literature, the baseline case for the UFM has gusset-flange interface forces centered on the centroid of the gusset edges; deviations from this are allowed for existing connections and accounted for by considering eccentricity. Bracing connections with high force demand can cause with local shear in both the beam and the column. By adapting the UFM to minimize shear in these members, further economy can be achieved. This presentation explains the adaptations and illustrates the design example in the 4th Quarter 2021 AISC Engineering Journal paper by Sabelli, Saxey, Li, and Thornton.

Course will award 1.5 hours of continuing education
This course is Diamond Review approved in 49 states. New York does not accept hours from recordings.

Contributors

Rafael Sabelli, S.E.

Rafael Sabelli, S.E., is a Senior Principal and Director of Seismic Design at Walter P Moore. Rafael has earned a Lifetime Achievement Award and a Special Achievement Award from AISC, as well as the T.R. Higgins Lectureship award. He is a member of the AISC Committee on Specifications, where he is vice-chair of Technical Committee on the Seismic Provisions, and a member of the AISC Committee on Manuals, where he is chair of the Seismic Design Manual committee. He is also the past President of the Structural Engineers Association of California.

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Description

Contributors

Rafael Sabelli, S.E.