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  1. EricCA

    Flat slab designing for shear- peak shear or average shear?

    hetgen is correct. FEA is a complex animal and each piece of software handles it differently. At a minimum you should do some rough hand calcs to verify the FEA results. I don't totally agree with DaveAtkins about averaging over the the entire perimeter. I agree that you do not need to design...
  2. EricCA

    Concrete Beam End Moments

    You may want to try and redistribute your moments. I wouldn't push much to the wall, but you could move the diagram up 20% at the continuous end (prvided there is enough steel).
  3. EricCA

    PTI design equations for expansive soil moment and shear in grade beam

    Appendix A.1 of PTI "Design of PT SOG" Version 3 shows h = Total depth of stiffening rib, measured from top surface of slab to bottom of rib, in. S = Interior stiffening rib spacing, ft. All others look good to me.

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