Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations waross on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. trolleybob

    Buoancy Calc in Wet Concrete

    Pouring Pre-Stressed Concrete... I used to enjoy mixing up Portland Type II in a wheel barrow... Another trick is to build your "reinforcement matrix FIRST- It must be a self supporting structure. Keep in mind though, that a self supporting structure can be built out of silk thread- if its...
  2. trolleybob

    Buoancy Calc in Wet Concrete

    Great materials "displacement" table. http://www.pembroketrading.com/conversiontables.htm Bob PS- Read some good manuals on the art/science of "Rigging"- especially House Moving, unusually shaped cargo, cables, chainers, binders, nylon straps, shrink wrapping, the way to use a boom hoist-...
  3. trolleybob

    Buoancy Calc in Wet Concrete

    I think I recall it has to do with "displacement". Lord Brunel- built the first iron/steel ship, the "Great Eastern", ca 1854, "Displacement", maybe 200 Tons of Steel and Iron. I recall skimming through something, the trick has to do with this- the weight of the building material has to be...
  4. trolleybob

    Buoancy Calc in Wet Concrete

    A very fascinating concrete subject is the "Mulberry"- essentially floating docks for Allied supply ships during the invasion of Normandy in 1944. Constructed out of a huge concrete casting "tub" they were solidly filled in with "ballast"- the non flamable, non organic debris (concrete, brick...
Back
Top