Tech Note G104-14: Welded Box-Beam Flexure Design


Summary: A box-beam configuration may be used at openings in a floor or wall framing assembly. The AISI S100 contains design provisions for a built-up flexural members consisting of two C-sections back-to-back used as a flexural member. For built-up members to act as one unit (composite), the members must be connected together with sufficient fasteners and spacing. This Tech Note illustrates the extrapolation S100 Section D1.1 provisions to a box-beam configuration.

Disclaimer: Designs cited herein are not intended to preclude the use of other materials, assemblies, structures or designs when these other designs demonstrate equivalent performance for the intended use. CFSEI documents are not intended to exclude the use and implementation of any other design or construction technique.


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