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Re: Tsunami Design[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: Tsunami Design
- From: "Bill Sherman" <SHERMANWC(--nospam--at)cdm.com>
- Date: 23 Jul 98 19:11:40 -0400
Over 10 years ago I worked on an interesting project which included tsunami design. It was the Bradley Lake Hydroelectric Project on the Kenai Peninsula in Alaska. A risk analysis was done for tsunami potential in Kachemak Bay and we designed 2-ft thick walls on the bay side of the powerhouse for large estimated breaking wave forces (on the order of 160 kips/foot wall length). Although seismically induced tsunamis were evaluated, I believe the controlling wave was based on volcanic eruption (Mt. St. Augustine) with a soil mass cast into the Cook Inlet. I don't know all the details on how the tsunami wave analysis was performed, but between that and a 0.75g ground acceleration used for seismic design, it made for an interesting project.
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