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Steel Water Tank Seismic Anchorage

Steel Water Tank Seismic Anchorage

Steel Water Tank Seismic Anchorage

(OP)
I have designed a 80,000 gallon water steel tank and I need some guidance on how to the anchor the tank to a concrete slab. There will 12 equally spaced anchors around a 20'-6" diameter tank. Seismic forces govern the overturning moment. The max uplift force is about 7 kips. I was thinking of using angle clips with 1" diameter anchors (ASTM F1554 Grade 36). Can anyone guide me to a good rational method for designing the clip angle?

RE: Steel Water Tank Seismic Anchorage

Typical procedure is to use anchor bolt chairs rather than clips. One design procedure for them is included in this publication:
https://shop.steel.org/p/186/steel-plate-engineeri...
Usually, the chairs would be designed and detailed by the tank fabricator as part of their shop drawings.

RE: Steel Water Tank Seismic Anchorage

Note that the second link above is the document that I referenced (I referenced a newer version, but am assuming that part is relatively unchanged.)

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