How To Resist Uplift Load for Metal Building
How To Resist Uplift Load for Metal Building
(OP)
I have the drawings from a manufacturer for a 40' x 40' metal building. Looking at the worst case scenario(115 mph winds), the uplift would be 7 kips. Won't this make the footing have to be oversized greatly to counteract the uplift force? I am thinking about using a buried spread footing and pedastal combination. This would allow me to use soil to help hold down the footing and minimize the concrete. Does anyone have any suggestions? Can this load be reduced because of it being a wind load?





RE: How To Resist Uplift Load for Metal Building
Figure out the area of floor slab or in the case of a grade beam, length, required. Make sure it can span without any soil supporting it and you've designed for uplift, assuming the anchors are designed.
Don't forget to add hairpin bars to take lateral forces.
RE: How To Resist Uplift Load for Metal Building
RE: How To Resist Uplift Load for Metal Building
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RE: How To Resist Uplift Load for Metal Building
RE: How To Resist Uplift Load for Metal Building
So.. I would look at using simple spread footings to resist the net uplift.