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# Re: Wind Load Topographic Effects

• To: seaint(--nospam--at)seaint.org
• Subject: Re: Wind Load Topographic Effects
• From: Jnapd(--nospam--at)aol.com
• Date: Wed, 31 Dec 2008 15:12:07 EST

 Conrad   Now the tough question if you have a rectangular building say 20 x 40ft.  When you calculate the wind load for the long side do you use 40' or 44.7' ??   Then what is length for the short side 20' or 28.3' ??   I am not sure for short direction. any ideas ?   Joe VenutiJohnson & Nielsen AssociatesPalm Springs, CA   In a message dated 12/30/2008 9:35:19 P.M. Pacific Standard Time, metamorphs96(--nospam--at)gmail.com writes: My Understanding is that the quadrant is 90 degrees. But need to draw two orthogonal axes for the building, and 8 cardinal/compass directions for the wind. The 4 orthogonal directions then experience the maximum wind in the quadrant defined by 45 degrees either side of the orthogonal axis.   Regards   Conrad    New year...new news. Be the first to know what is making headlines.