Retrofitting Design and Analysis of Existing Steel Joist-Framed Buildings [E16a]

Engineers are commonly faced with a renovation project of an existing joist-framed building where there is a need to evaluate the existing system for a different loading configuration, additional loading, new floor or roof openings, etc. The delineation of EOR and joist supplier responsibilites on such projects can become blended. This session is aimed at a practical approach to understanding joist design and overcoming common obstacles on such projects. Specific examples of new loading arrangements on existing joists, new configurations which may cause element stress reversals in the joist under consideration, reinforcement and retrofit details, and information required to be communicated on the contract documents for the joist supplier will be presented.

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