anchor rods, an angle (or four) to form an L in the pier, then rebar (or
A36 rods) welded along the axis of the angle which extend into the
subslab trench. Now, there are still some moments to deal with, so the
concrete in the pier isn't really out of the load path completely. But
that's why we make the big bucks, right?
Jordan
PS - I noticed you're up to serial number 4 on your email. I lost about
2 weeks of seaint recently when my previous address became a
spam-magnet, and I think the server just gave up and deleted almost
anything coming into that account.
seaint04@lewisengineering.com wrote:
> Jordan,
>
> Thanks for the response.
>
> I looked at my numbers a little more closely this morning and realize my
> maximum load combination is 88.9 kips horizontal thrust. The 60 kips was
> from the roof snow load. I also have drifted snow load on the worst case
> frame, plus the dead load.
>
> I wasn't thinking of using 40 grade steel reinforcing. I was considering
> using A36 rods. It would be too confusing to try to get 40 grade rebar
> for the project. If I limit the stress to 22 ksi I need (4) 1.125 dia
> rods. I'm still wondering about an efficient way to get the force out of
> the anchor bolts and into the rods. I 'm considering using some angles to
> 'dead head' the rods in the pier. I can see I would put a significant
> cage of rebar around the bolts. I would detail a concrete tie beam below
> the floor slab. I'm still not comfortable with how the force load path
> travels from the bolts to the tie rods.
>
> Rich
>
>
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