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  1. opirocs

    Field CBR Test Kits

    Does anyone have a preference on Humbolt or Gilson Field CBR test Kits? I work in Hawaii where we have a naturally caustic environment, high humidity, wet, salty...etc. does anyone know if one brand is more durable then another?
  2. opirocs

    Field CBR ASTM D4429

    I am preparing to purchase and run Field CBR tests ASTM D4429 for a roadway on Subbase and Base Course Materials. Wondering if anyone can provide me input on equipment brand to purchase and set-up tips such as fabrication for trailer hitch or utilizing on-site heavy equipment. I found Humboldt...
  3. opirocs

    Elongation of a lifting hook

    I am using a lifting hook to test embedded mooring eyes which hold down equipment, is there a simple theoretical equation to describe the elastic deformation of the lifting hook? I am only loading to 5000lbs force, using a Crosby 3.2Ton rated (working load) eye hook. i am neglecting (for now)...
  4. opirocs

    Dynamic Cone Penetrometer Excel Spreadsheet

    I ended up making one, was just trying to not have to work too hard on a Sunday.
  5. opirocs

    Dynamic Cone Penetrometer Excel Spreadsheet

    Dose anyone have a Dynamic Cone Penetrometer excel spreadsheet that automatically correlates to a CBR value?

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