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Re: Liquid forces in water tanks[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaoc(--nospam--at)seaoc.org
- Subject: Re: Liquid forces in water tanks
- From: "Erickson Todd W" <twe(--nospam--at)EQE.COM>
- Date: Mon, 30 Mar 1998 15:33:25 PST
- Priority: normal
On 3/28/98, you wrote: >3. Can anyone help me to calculate the effect of sloshing liquid >for the design of a water storage tank subjected to earthquake >accelerations? I need this information for buried as well as >above-ground ituations. >Sam Love >Love Engineering >Ogden, Utah Try the American Water Works Association (AWWA) standards. AWWA D-100 and D-200 both address the issue of seismic sloshing for above grade circular tanks of steel and concrete, respectively. The mathematical deriviations in these standards are based on an analysis developed in the 1960's by George Hausner, I believe, for nuclear structure design. The AWWA standards provide graphic and mathematical solutions of the hyperbolic tangent functions used in describing the seismic forces for both the coupled and convective water forces (please excuse my terminology, I'm a bit rusty from my LADWP days). The AWWA documents also cover tank design and detailing. The Petroleum Equipment Institute (PEI) is another source of tank design information, and I think they use the same dynamic theory as AWWA. Good luck, Todd Erickson, S.E. EQE International Newport Beach, CA BSCE University of Utah, 1990 - GO UTES!
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