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RE: SEI/ASCE 7-02 Wind Loads

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This gives an effective area of 1/3 the span^2.

bks



> -----Original Message-----
> From: Roger Davis [mailto:rdavis(--nospam--at)sdsarch.com]
> Sent: Wednesday, April 16, 2003 2:47 PM
> To: 'seaint(--nospam--at)seaint.org'
> Subject: RE: SEI/ASCE 7-02 Wind Loads
> 
> 
> The definition of "effective wind area" says that you do not have 
> to use a width less than one-third the span length.
> 
> Roger C. Davis
> Architect
> SDS Architects, Inc.
> 
> -----Original Message-----
> From:	Cory Structural Engineering, P.C. [SMTP:coryse(--nospam--at)bellsouth.net]
> Sent:	Wednesday, April 16, 2003 2:10 PM
> To:	seaint(--nospam--at)seaint.org
> Subject:	SEI/ASCE 7-02  Wind Loads
> 
> 
> What effective wind area should be used for concrete masonry unit wall 
> design per figure 6-3 of SEI/ASCE 7-02.  Should it be vertical wall 
> reinforcing spacing times wall height which would give a high 
> pressure?   For a 15'-0" high wall I am contemplating installing a bond 
> beam at mid-height which should increase the effective wind area 
> and allow 
> designing for a lower pressure.  Is it reasonable to assume that 
> the joint 
> reinforcing would make the wall act as a unit such that the 
> effective wind 
> area would be the wall height times its length.  Does anyone have any 
> recommendations for effective wind area?
> 
> James a. Cory III, P.E.
> Cory Structural Engineering, P.C.
> 
> 
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