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  1. Garthmcm

    Gravity load deflection doesn't respond to tensile force in RISA

    I am designing a jib. There is a pair of 3/4" x 20' long round bars as tension members to support the wide flange that the trolley runs on. RISA says that these round bars will deflect 13 inches in the center. This might be the case if there were no tension but in reality they don't deflect at...

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