30 ft high CMU Wall

[FiniteElemet]

I am designing 12" CMU load bearing wall in a box building to resist 25psf wind load. Have designed at most 20 ft highs in the past so looking for design help. Any design experience will be appreciated. Building is 95ftx95ft.

Thanks,

 

[FiniteElemet]

Also, what can be done to increase lateral stability of wall such as providing additional bond beams!

 

[UcfSE]

A 12-inch wall should not have a problem spanning vertically at that wind load. You'll probably need two bars per cell located near each edge. I would add a single-course bond beam at 8 feet oc to help with horizontal reinforcement.

 

[FiniteElemet]

Thanks UcfSE,

Providing No.6@16"oc verticals near the shell gives me d=8.75". (viz. 11.625"-1"shell-1"cover-0.375=8.75". Do you agree with this d value?

Response much appreciated.

 

[UcfSE]

That d should be fine, if you're in the US using standard units. Note that a 12" block face shell is probably more like 1.25".

 

[dik]

Have you considered a steel superstructure with 8" CMU's around... gets away from scheduling construction a bit and avoids a bunch of scaffolding... also a good mason can lay up about 40% more 8" block over 12" block...

Just some thoughts...

Dik