Bridge design
Bridge design
(OP)
What is the maximum length one might consider using beyond the center line of bearing on a plate girder bridge? I am concerned about the uplift at the end.
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RE: Bridge design
If it's the latter, this distance is typically controlled by the equivalent column section formed by the web and stiffeners. AASHTO has precribed amount that may be considered for the effective column web distance.
Obviously such distance would be no more than absolutely necessary.
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Qshake
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RE: Bridge design
To add to what Qshake said, there might be a minimum distance beyond support stiffener by code if working on seismic region. It is supposed to prevent unseating of the span in the case of earthquake.
Also it will depend on what kind of bearing you have.
RE: Bridge design
Michael.
Timing has a lot to do with the outcome of a rain dance.
RE: Bridge design
RE: Bridge design
RE: Bridge design
RE: Bridge design
Why don't you do a deflection check? It should be relatively simple and it will tell you if you really have a problem or not. Chances are that the deflection up will not be more than a couple of mm.
RE: Bridge design
Hg
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RE: Bridge design
Michael.
Timing has a lot to do with the outcome of a rain dance.