moment. It's not very far for an unreinforced slab -- 3 or 4 ft. If
the slab is reinforced then that is different. Although if the
reinforcing is WWF then I would treat it the same as unreinforced.
Jim Persing, SE
On Nov 21, 2007 5:35 PM, Jordan Truesdell, PE
<seaint2@truesdellengineering.com> wrote:
>
> How far can your concrete tie/slab/perimeter cantilever? You shouldn't use
> more than that. I've used the perimeter turn down that way in the past,
> though I generally omit any more concrete than is directly over the
> footings, as it has very little moment capacity.
> Jordan
>
>
> Truitt Vance wrote:
>
>
>
>
> Looking for some opinion here:
>
>
>
> I am designing the pads under some columns on a steel PEMB for uplift:
>
>
>
> Is it common to use the dead weight for a reasonable length of the tie beams
> intersecting the pads under the columns of a PEMB? Is it common to use the
> weight contribution from a reasonable area of the slab?
>
>
>
> If yes, how would you justify that with calcs? (ie: "FBD cut at the
> location where you assumed the contribution of dead weight ended and design
> for the self weight?)
>
>
>
> Thank you in advance,
>
>
>
> Truitt Vance, P.E. ******* ****** ******* ******** ******* ******* *******
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