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Steel Column with block wall and Wind Load

Steel Column with block wall and Wind Load

Steel Column with block wall and Wind Load

(OP)
i am designing a PEB building which includes full height hollow block wall masonry all around does we apply the wind load on steel columns however connection between the Block wall and steel column is through brackets/Ties partially.
bay spacing is 6 m and height is 6.5 m


Regard's
Syed Ammar

RE: Steel Column with block wall and Wind Load

We would normally locate a steel beam/girt from column to column near the top of the block wall with L/240 to L/400 deflection limits and a bond beam in the wall at about the same height where connections from the block wall to the steel girt/beam are made. The wind load goes from the block wall to the girt/beam to the steel column. The block wall has appropriate construction joints at the columns so the individual bays can deflect separately but not leak air or water/rain. The frames are rigid enough so they don't deflect laterally in the plane of the frame. The bays are also braced longitudinally so the entire building will be relatively rigid longitudinally absolutely minimum longitudinal deflection of H/100 but more likely H/240 or greater and with similar lateral drift limits. Appropriate reinforcing vertically and horizontally in the block wall. The National Concrete Masonry Association, NCMA, has a good manual for this process with many details. Wind Speeds for deflection are 10 year recurrence and wind Speeds for loading are 50 year recurrence. ASCE 7 - appropriate year for your codes.

Jim

RE: Steel Column with block wall and Wind Load

L/240 for bracing a CMU wall seems pretty light

RE: Steel Column with block wall and Wind Load

XR250

I refer you to the NCMA manual for cement block and metal buildings.

Jim

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