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RE: Sloshing in rectangular tanks[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "'seaint(--nospam--at)seaint.org'" <seaint(--nospam--at)seaint.org>
- Subject: RE: Sloshing in rectangular tanks
- From: hsprague(--nospam--at)aspen.klaalov.com (Harold Sprague)
- Date: Tue, 21 Jul 1998 09:33:54 -0600
Glenn, Two members of my subcommittee did most of the study regarding tanks for the 1997 NEHRP Provisions. They were Nick Legatos of Preload Tank and Steve Meier of Indiana Tank (Steve was with Chicago Bridge & Iron for many years). Nick previously helped develop the methodology contained in AWWA D100. Nick consulted with George Housner in that effort. Both Steve and Nick have done work all over the world and are familiar with all the various international codes and company standards regarding accelerated fluids. What resulted was a method that Nick helped develop for the AWWA D100. >From their observations the P-355 was generally conservative, but not for every case. That is what led to the development of D100. API is in the process of using the same methodology as contained in D100 to develop fluid seismic forces. ACI 350 is also in the process of changing the methodology to be in agreement with D100. Harold Sprague, PE Chairman Technical Subcommittee 13 Nonbuilding Structures Krawinkler, Luth & Assoc. -----Original Message----- From: Glenn Otto [SMTP:glenn.liberty.engineering(--nospam--at)worldnet.att.net] Sent: Tuesday, July 21, 1998 7:45 AM To: seaint(--nospam--at)seaint.org Subject: RE: Sloshing in rectangular tanks I understand that American Water Works Association publication D100 has information, but the Navy's NAVFAC P-355 has formulas for rectangular and cylindrical tanks. The liquid's weight is a variable in the formulas. The NAVFAC uses about 10 references to come up with their charts and formulas. Also, I understand that the NAVFAC formulas may be more conservative than AWWA D100. Glenn Otto, P.E. Liberty Engineering, P.C. Disclaimer: "My opinions do not necessarily reflect those of the corporate entity"
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