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RE: Wind Load on a Two Sided Building

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Well, it says an open building is a building in which EACH of the walls
have at least 80% open.  I would think you would get wind hitting the
walls and then going over the roof, adding more wind pressure to the
roof.

I would think there wouldn't be any internal pressure, but the Cp/Cf
factor would increase due to the fact that you have a few walls. 



-----Original Message-----
From: Bill Polhemus [mailto:bill(--nospam--at)polhemus.cc] 
Sent: Wednesday, January 05, 2005 9:25 AM
To: seaint(--nospam--at)seaint.org
Subject: Re: Wind Load on a Two Sided Building

Brian S Bossley wrote:

>I have been asked to analyze a structure that was a completely open 
>canopy structure for additional wind loads it would receive if two 
>sides were added onto the structure (the two sides being adjoining
sides).
>
>>From looking at ASCE 7, I know this is not an open, enclosed, or
>partially enclosed building, but also it wouldn't really act as a sign,

>either.  Has anyone else had any experience with this type of
situation?
>
>  
>
What makes you think it isn't "open"? My interpretation of ASCE would be
that it is an "open" building despite the two sides.

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