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Re: Plywood Shearwals & Elevated Conc Piers

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In a message dated 6/11/99 3:26:46 PM Pacific Daylight Time, 
Paul_Reilly(--nospam--at)dot.ca.gov writes:

<< A light-frame structure, with plywood shearwalls, does not have sufficient
 lengths of tributary shearwalls (Li), within the 'wall-line' being 
considered,
 to comply with the prescribed height/length ratios for plywood shear walls.
 May the bases of the Li be elevated above the finish floor to attain the 
minimum
 height/length ratio?   If so, must all Li within the wall-line be the same?
 Thanks in advance.
  >>
 Not clear about your configuration, but you can measure the height of a 
plywood shearwall from bottom of an opening to the top of the same opening as 
long as you can take care of the resulting axial loads at the panel edges and 
transfer them to the adjoining sheathed (top and/or bottom of opening) wall 
panels. Just like a masonry or concrete wall pier analysis.

Oshin Tosounian, S.E.