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  1. CE520

    Faying Surface between Painted Galv and Painted steel

    I am working on about 100 year truss bridge rehab. over the Erie canal in New York State. My main concern is the faying surface between the galvanized and painted gusset plates and the painted diagonals. The gusset plates are to be galvanized and painted with a 2 coat paint system. The...
  2. CE520

    Timber Mat Design/Shear

    To All, I am working on designing a false work/jacking system to support a multi-span steel bridge. The support system is so the replacement of the substructure pier may take place. I have received my calculation package back from a state reviewing agency. See attached sheet. The two main...
  3. CE520

    fb > Fcr ??? (Girder Stability)

    I am planning on erecting a girder over a steam. The problem I am running into is that when the first girder is at rest (simple span,) fb is greater than Fcr, besides supporting the girder in-between the span is there anything I can do to increase Fcr or reduce fb. (Notes Fcr and fb taken from...

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