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  1. isaacsdad

    Scrapers vs Trucks

    I happen to use both methods. Depending on material both methods are equally fast. Articulated trucks however seem to be cheaper. The operation and maintenance costs of a cat 637 scraper spread, 4 scrapers a D9 ripping and pushing as neccesary, a D8 and 815 compactor in the fill area and a...
  2. isaacsdad

    Drying Clay

    Thank You Lime would dry out the material but will also change the plasticity of the material. The spec requires optimum plus 3 percent on the moisture. Currently material is at roughly 22% optimum is 12.5% I need to be 15.5% We are currently weighing the options of trucking the material to an...
  3. isaacsdad

    Widening an existing roadway

    It is possible to Rip rock with a large dozer or Dig it with a large excavator if the rock is soft enough. Caterpillar publishes a book Cate performance Handbook that will give you ripabillity of different rock based on the seismic velocity of the material. Of course you may not have room for...
  4. isaacsdad

    Drying Clay

    Thank You All for your suggestions. I am Told that The department of dam Safety does not encourage changing the chemical composition of the material, but it has been suggested. We have began searching for a dryer material that meets our specifications, either to introduce to the existing or...
  5. isaacsdad

    Drying Clay

    I am building a fill on an earthen dam the core material by spec must have a minimum of 50% passing a 200 sieve a clay material. Problem the excavated material on site is registering 22% moisture and optimum moisture is around 13% it must be dried to build this fill. This is an open cut of an...

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