J1D et al.,
Thanks for the help - it is a support for rigid bus conductors in an electric substation. the "p"s below are where the insulators mount...not much dead load, just problems with wind/seismic horizontal loads. regards - jm1
--p-p-p-- W-shape
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|W-shape
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Three 7' long W-shapes oriented as an "I" (X-Z plane if Y is up) mounted 23' supported at the center of the "I" by a single HSS. Like a cantilever with an "I" mounted on its end. Long time since school, and even at that moment connections were like doing the entire 20th century on the last day...
Hello,
I have what is essentially a 7' x 7' "I" shape made up of W-shape beams supported by a single HSS column 23' tall at the centroid of the "I" shape. This structure is subjected to lateral/longitudinal/vertical loads. In order for the "flanges" of the "I" shape to remain stable there...