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Stream Pressure

Stream Pressure

Stream Pressure

(OP)
I am checking for sliding and uplift under a buried bridge. Its 180' long, on spread foundations. I have calculated the longitudinal pressure from AASHTO and get about 260psf. How is that applied to a longitudinal footing? Just at the end of the footing? So a 4' wide footing x 2'-6" tall will have 2600lbs of force on it for the whole lenght? We dont usually do these calcs, so you can see how in the dark I am.
Thanks

RE: Stream Pressure

maybe a sketch as well as a freebody would clarify this. is this a culvert?  

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