stainless steel, and on an island in the Caribbean, I think so. I
have not really considered other regions...
2007/10/9, Mark Deardorff <mark@rstavares.com>:
> Really? Concrete columns are cheaper than steel tubes? Wow. With all the
> labor to create the cage and forming, I thought the opposite would be true.
>
> Mark E. Deardorff, SE
> R & S Tavares Associates, Inc
> 9815 Carroll Canyon Road
> Suite 206
> San Diego, CA 92131
> Phone: 858-444-3344
> Phone: 209-863-8928
> mark@rstavares.com
> www.rstavares.com
>
>
>
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>
> > -----Original Message-----
> > From: refugio rochin [mailto:fugeeo@gmail.com]
> > Sent: Tuesday, October 09, 2007 6:54 AM
> > To: seaint@seaint.org
> > Subject: concrete drop panels
> >
> > Thanks bye the way for all of the 8" columns input. Not sure
> > if I learned anything, but interesting to see people's
> > different input...
> > I am usually concerned with that issue on residential
> > buildings. lots of architects like skinny columns !
> > concrete is much cheaper than steel tubes... I think I might
> > look at the column with a P-Delta load plus the P, and see if
> > it can take it. Also to look at buckling...
> >
> > Concrete Drop Panels
> >
> > ACI has a drop panel requirement:
> >
> > Section 13.3.7.2 - Projection of drop panel below the slab
> > shall be at least one-quarter the slab thickness beyond the drop.
> > ???
> > This wording has confused me. I think however, that it means
> > the drop panel, to be considered a drop panel, shall be at
> > least a 1/4 of the slab thickness, so if I have an 8" slab,
> > then the drop panel shall be at least 2", giving an overall
> > depth to the panel of 10" which includes the slab... no???
> >
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