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Re: partially grouted cmu walls

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Paul, I hit "send" before I was ready.  Sorry.  If my comments on my
experience from Northridge, and the effeective net area of cmu comes
back to haunt you, you can talk to me.

Jeff Coronado, S.E.
West Covina, CA

PFFEI(--nospam--at) wrote:
> what is the concencus about the seismic performance of partially grouted cmu
> walls?  the subject building is a two story rectangular shaped structure,
> with concrete slab on deck second floor and wood framed roof.  It is located
> in Los Angeles, and was constructed in 1959.  There is a good distribution of
> solid interior and perimeter walls with few openings, and the block is in
> very good condition.  The walls are 8" block walls with vertical steel at 24"
> o/c, and only block cores with verticals are grouted.  There is a horizontal
> bond beam at the second floor and roof, but other wise no horizontal steel.
> How is the shear capacity of this type of system evaluated?  Is it considered
> similar to a URM building?
> thanks - paul franceschi