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The AISC Design Guide No. 11 Floor Vibrations Due to Human Activity also 
treats this topic, as well as a variety of other applications. 
Visit or call 800/644-2400; it's AISC Pub. No. D811 and it 
costs $30.


Bill Cain, S.E. wrote:
> There is an interesting thesis on line from Virginia Tech on the subject of aerobics floor vibrations at:
> Bill Cain, S.E.
> Oakland, CA
> -----Original Message-----
> From:   Brian K. Smith [SMTP:smitheng(--nospam--at)]
> Sent:   Thursday, September 17, 1998 10:38 AM
> To:     seaint(--nospam--at)
> Subject:        Re: LIVE LOAD FOR WEIGHT ROOMS
> Roger Turk wrote:
> >
> > Ed Dean wrote:
> >
> > . > Use ... some other means (elevated wood platform) to
> > . > protect the primary structure from damage.
> >
> > I emphatically concur with that!  In addition to protecting the underlying
> > structural and floor system, an elevated platform will also help distribute
> > the loads.
> >
> > A. Roger Turk, P.E.(Structural)
> > Tucson, Arizona
> Before spending alot of time designing an elevated wood floor system, I
> would first talk with the owner.  I have spent a fair amout of time in
> weight rooms over the past 15 years and I hate elevated wood platforms.
> Weight lifters, power lifters, and bodybuilders are picky.  They will
> complain about the temperature, equipment layout, room color, and the
> noise level and type of music.  If the floor does not feel right when a
> guy is squating 500+ pounds or benchpressing 400+ pounds, he may not
> come back.
> The majority of your first class facilities these days are using a high
> density poly/rubber mats under all of the free weights; regardless if it
> is slab on grade or elevated.  It looks good and protects the floor.
> Brian K. Smith, P.E.