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How do I detail uplift connections to the Strong Frame Ordinary Moment Frame beam?

April 26, 2017beam frame moment strong Uplift

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How do I detail uplift connections to the Strong Frame Ordinary Moment Frame beam?

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If the roof rafters or trusses bear directly on the top-beam nailer plates, then hurricane ties such as the H2.5A or the H10 can be used similar to their attachment to wall top plates. If the moment frame is on the lower story and a post/stud uplift force must be transferred from the upper story, then a continuous strap can connect the upper story wall studs to wood blocking placed within the OMF steel beam web. This blocking may be attached to the steel beam web with Quik Drive™ TB screws, PDPH powder-actuated fasteners or A307 machine bolts. For more information, see details 1/SF3 (PDF), 2/SF3 (PDF) and 14/SF3 (PDF) (pages 60 and 65 in the C-SF10 Strong Frame Ordinary Moment Frame catalog) or on the downloadable detail sheets. For end wall uplift conditions, one can use vertical straps directly attached from the upper post/stud to the moment frame column wood nailer below. See details 3/SF3 and 4/SF3 (PDF) (page 60 in the C-SF09 Strong Frame Ordinary Moment Frame catalog).