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Recent content by Kilgore

  1. Kilgore

    Are slabs on-grade really this strong? (Punching Shear)

    Thanks, Slick. That's probably the most appropriate article in the visible universe. Ishvaaag: I'm an engineer, not some fancy theoretical scientist! Seriously, great analysis! It shows how the code shortcuts are based in reality. Thanks for that.
  2. Kilgore

    Are slabs on-grade really this strong? (Punching Shear)

    Thanks, folks. Okay, fair enough on the soil pressure. Thanks for the Westergard tip. I think the pre-pour site prep and tamping, as well as the current floor loads give some continuity to the soil resistance, but I wouldn't mind leaving it out of this estimate since it's small compared to...
  3. Kilgore

    Are slabs on-grade really this strong? (Punching Shear)

    One of my fellow engineers wants to place a 75-kip concentrated load on our 250 psf-rated floor. At first, I thought it unwise (okay, downright stupid) to load to 300 times the rating, but then I ran a column punching shear calc and found it to be plenty strong. Can this be true? Here are the...

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