SJI also provides free online tools to assist structural engineers with joist design (visit steeljoist.org and click the Design Tools link). These tools include Roof Bay Analysis, Virtual Joists, Virtual Joist Girders and Joist Girder Moment Connection Design. The Floor Bay Analysis tool is expected to be available in May. This tool can optimize the layout and select optimal depths for non-composite K-Series, LH-Series and DLH-Series joists and joist girders as well as the CJ-Series composite joists. Common steel floor decks can be selected from a drop-down box and the tool determines the maximum deck span, available steel deck total uniform load carrying capacity and estimated deck deflection due to the weight of the wet concrete.
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