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  1. daveh6729

    Bridge Collapse in MN

    The video actually seems to indicate a main truss member or joint failure at the north end since it drops prior to the south end. Rotation, and lateral displacement could be caused if one main truss failed prior to the opposite main truss. I think in the end they will determine that one main...
  2. daveh6729

    Crack movement gauges anyone know about them?

    jeesh...my speeling is terrible! ~laugh~
  3. daveh6729

    Engineering Ethics, Regulations and Laws

    and has enough money for you to retire in Aruba!
  4. daveh6729

    Engineering Ethics, Regulations and Laws

    Don't do it unless he is your best friend!
  5. daveh6729

    Crack movement gauges anyone know about them?

    Thanks for your input...I will have my client order the avonguard gauges...I think we can also measure lateral movement using feeler gauges between the two sides...thanks again for your responses...
  6. daveh6729

    Crack movement gauges anyone know about them?

    Thanks a million jike..just what I was looking for!
  7. daveh6729

    Residential basement wall design???

    Can anyone explain to me why the newer codes (IBC in particular) completely neglect the design of the connection of the top of the basement wall to the floor framing system in order to prevent the wall from pushing inward at the top. In Michigan (where I live), everyone uses the 1/2" anchor bolt...
  8. daveh6729

    Cuckoo for Cocoa Puffs or Practical? Reinforcement for wood joists....

    If anyone still cares about this post...I have specified 2x4's of the same grade as the joists epoxied to the bottom of existing joists with West Systems or equal two part epoxy (with some filler added to thicken the mixture), and this greatly increase the section modulus, and momnet of inertia...
  9. daveh6729

    Temporary shoring for residential brick veneer

    I've bolted a continous angle to the wall about 8" above the new opening with expansion anchors in the mortar joints, and used 4x6 posts at a slight angle down to temporary footings in order to support the angle, and brick above.
  10. daveh6729

    Crack movement gauges anyone know about them?

    Does anyone know where I can get some plastis gauges that are glue to a concrete wall over an existing crack in order to detect future movement. I know I've seen them beofre, but Google is letting me down on this one.
  11. daveh6729

    Big Dig Boston ceiling collapse

    This brings back memories of the Kansas city hotel walkway debacle! (although it was a different failure) Why not just cast in weld plates with studs or slotted channels into the ceiling and weld or bolt the hanger brackets to them in the first place?
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