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Shear Transfer in Anchor Rod

Shear Transfer in Anchor Rod

Shear Transfer in Anchor Rod

(OP)
All,

I am working on checking the anchor rod shear strength for a already casted anchor rod due to revised load. As per the full shear transfer due to the vertical brace,Anchor rod is getting failed.It has assembly of shear lug too. Can anybody help me i finding the proportionate shear transfer on anchor rod, is the full shear has to be applied while doing anchor rod check,is there any governing rule/cause for actual percentange of transferred shear. That would be a great help.

Apoorv

RE: Shear Transfer in Anchor Rod

Normally, the shear lug should be designed to carry the entire shear. The anchor rod would primarily transfer the tension forces into the foundation. A sketch would help.

On large brace frames, you could weld a "claw" plate to the gusset and have studs welded to this claw plate to transfer the shear into the grade beam or foundation.

RE: Shear Transfer in Anchor Rod

(OP)
Can you please attach the sketch , It may help

RE: Shear Transfer in Anchor Rod

You may have to core drill the top of the pier to accommodate a shear lug on the bottom of your base plate and fill with not shrink grout. Usually I only use anchor rods to develop small shear forces... for real shear forces, I usually use a lug.

Dik

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