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Re: Floor Vibrations[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: "'seaoc '" <seaoc(--nospam--at)seaoc.org>
- Subject: Re: Floor Vibrations
- From: "Sprague, Harold O." <SpragueHO(--nospam--at)bv.com>
- Date: Thu, 7 Aug 1997 10:19:00 -0500
Chris, Back in the early 1960's an almost identical problem evolved at a shopping center in the Kansas City. Murray developed a solution using concrete weights suspended from springs that were hung within the joist space. The problem was solved. I do not know the specifics of the solution, but a solution using Murray's approach and a system of tuned mass dampers should do the trick. Good luck, Harold Sprague Black & Veatch ---------- From: chris towne To: seaoc(--nospam--at)seaoc.org Subject: Re: Floor Vibrations Date: Wednesday, August 06, 1997 7:16PM The building is steel frame and the problem area is steel joists on concrete slab. The joists are 24 feet long and are spaced at 30". The slab is 2.5" deep.
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