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[SEAOC] Wind Pressure Coefficients (Cq)[Subject Prev][Subject Next][Thread Prev][Thread Next]
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- Subject: [SEAOC] Wind Pressure Coefficients (Cq)
- From: BSmithSE(--nospam--at)aol.com
- Date: Sat, 10 Aug 1996 12:15:51 -0400
Can someone explain why the wind pressure coefficient (Cq) for Open-Frame towers (UBC 94) is so much higher than other structures? According to UBC 94 Sec. 1621, Open-Frame Towers are "Radio towers and other towers of trussed construction ..." I suspect shape factor of assembled trusses has something to do with it. Secondly, I am designing 60' tall x 15' sqaure open tower, assembled with four steel tube columns at the corners and connected at the top with steel tube beams. No diagonal members in between the columns; just tall free standing columns. What Cq factor should be used? Brad ...
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