> Christine could settle this by asking them what size the rebar is I'd like to be there when Christine walks up to a builder and asks him how big his rebar is.
Bob > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of John Sessoms > Sent: 16 July 2009 20:19 > To: [email protected] > Subject: Re: Construction III > > From: mike wilson > > Nitpick this: > > 8-) > > Steel is just under 500lbs/cubic foot (1728 cu ins) > > If that is 3" x 12ft bar, it comes out to just over > 0.5cubic foot (1018 cu ins) > > If it's 2" x 12ft, then its about 0.25cubic foot (453 cu ins) > > I leave the rest of the arithmetic to you. > > It's not 3" diameter bars. They don't even make 3"D rebar. > The largest > size size they make is #18 - 18/8 inch in diameter, aka 2-1/4"D > (actually 2.257"D). > > In the photos they look like #11 rebar, 1.41"D at 5.313lb per linear > foot, although it could be #14 rebar, 1.693"D at 7.650lb per > linear foot. > > I just don't think it is #14 because in my experience #11 would be > specified. Why use more expensive #14 when #11 is good enough? > > Looking at the number of bands, they're using 20 ft lengths for the > column verticals. > > Christine could settle this by asking them what size the rebar is, or > she could even look at the identification on the bars herself. > > http://www.dot.state.il.us/materials/rebarguide.pdf > > See page 4. > > OTOH > > If a bale of cotton weighs 500 lb (according to the National Cotton > Council of America), how much does a bale of nits weigh? > > ... although "bend down, turn around and pick a bale of nits" doesn't > really scan that well. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly > above and follow the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
