I am designing an aluminum truss type structure (see attachment) to resist vortex shedding in accordance with Section 11.7.2 - Vortex Shedding of AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals, Fifth Edition, 2009. Any suggestions on how...
Please see attached picture of the trussed structure.http://files.engineering.com/getfile.aspx?folder=7fee58c4-5be5-471a-9027-db7bce38bf39&file=Trussed_Structure.pdf
Hi KootK, thanks for the response. That's my line of thinking too - the aluminum structure's construction is such that it is not conducive to vortex shedding. The three chords are spaced 16" apart and are made from 3" OD tubing. The trusses range in size from 1/2" pipe at the top to 2" OD tubing...