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RC corbel on shear wall

RC corbel on shear wall

RC corbel on shear wall

(OP)
Hello all,
I have to design a RC corbel that is anchored on the side of a RC shear wall (parallel to the shear wall, see below). This design is quite simple for a RC column, where the truss analogy is well defined. In my case, since the wall in long, I have a hard time figuring out how to define the compressive struts and vertical ties within the wall. So far, I have come up with the idealized truss model shown below. My understanding is that the compressive struts will fan from the node, and that the tension ties will be spread out on a certain width.

Does this seem reasonable? How would you establish the width of the tension tie?
Cheers


RE: RC corbel on shear wall

I think that your reasoning here is spot on. If you're in ACI country, establish your width by assuming that your steepest fan strut is 65 degrees to the horizontal and your shallowest is 25 degrees to the horizontal. To complete the detailing, consider capping the wall verts with legs down U-bars. That's assuming that there isn't more wall continuing above.

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.

RE: RC corbel on shear wall

(OP)
Thanks a lot Mr Kootk, much appreciated!

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