AASHTO Steel Grid Floor
AASHTO Steel Grid Floor
(OP)
Can someone attach a photograph or diagram of an example of a Steel Grid Floor that is discussed in AASHTO? The spec refers to steel grid floors less than 4" and greater than 4" thick.
Thanks
Thanks






RE: AASHTO Steel Grid Floor
http://www.naamm.org/mbg/literature.aspx
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RE: AASHTO Steel Grid Floor
I was trying to come up with the distribution factors to size the beams and stringers using a 1-1/4" steel plate for deck. I thought maybe steel grid would be applicable, but I don't think so any more...
RE: AASHTO Steel Grid Floor
If your client had ALL of the materials needed for a temporary structure then it "may" be cost effective to design something, using those material. If purchase of any major component (beams, piling, deck, etc.) were required the economics go BAD, quickly.
IMHO, probably best to pay the $140K and keep the overall project moving.
Good Luck
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RE: AASHTO Steel Grid Floor
Anyway, the material he had in his shop doesn't work. We are going with the rental. It is just hard to believe they are willing to add about 30-40% of the total project cost just to build this bridge that will be up only a couple of weeks.
Thanks for your help.
RE: AASHTO Steel Grid Floor
RE: AASHTO Steel Grid Floor
Thanks. This makes it pretty clear it is meant for HS20 loading and uses the terminology from AASHTO. This is probably what AASHTO is referring to by Steel Grid Deck.
RE: AASHTO Steel Grid Floor