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Opening in Existing CMU Wall

thread726-475163

Opening in Existing CMU Wall

Opening in Existing CMU Wall

(OP)
So, i'm making an opening in existing CMU wall.
The existing rebar size and spacing is fine when I take it as Special reinforced cmu wall, R=5.
But as far as I know, existing cmu wall has to be treated as ordinary and thus R value has to be 2.
Please let me know if I'm fine to treat the existing cmu wall as "special"

Thanks

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RE: Opening in Existing CMU Wall

Does it meet all the requirements for a Special Reinforced Masonry Shear Wall?

DaveAtkins

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