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 8:05 AM
> To: seaint@seaint.org
> Subject: Re: concrete drop panels
>
> Considering a highly corrosive environment where you would
> require 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
> >
> >
> >
> > CONFIDENTIALITY AND SECURITY NOTICE:
> > This e-mail, including any attachments, may contain
> confidential and
> > proprietary information and may be legally privileged or otherwise
> > protected by law. It may be read and used solely by the intended
> > recipient(s), and any review, use or distribution by others is
> > strictly prohibited. If you are not an intended recipient, please
> > notify us immediately by replying to the sender and delete this
> > e-mail, including any attachments, from your system immediately
> > without reading, copying or distributing them. Thank you for your
> > cooperation. R&S Tavares Associates Inc. and its client
> retain all proprietary rights they may have in the information.
> >
> >
> >
> > > -----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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