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  • Users: charlieroc
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  1. charlieroc

    ASTM D 4253: 90% or 95%?

    I am considering buying the test set for the 4253 procedure (laboratory vibratory compaction) so that I can perform field density test on 3" minus soils that have an aboundance of aggregate retained on the 3/4" sieve (say 50 to 70 percent retained 3/4" sieve). Once I find the maximum density in...
  2. charlieroc

    Testing Oversized Fill

    I am about to start the monitoring and testing (if possible to test) of a 40,000 cubic yard embankment project. Specs call for embankment material to be 3 inch minus and well-graded. Contractor is crushing boulders to 3 inch minus material which has about 40% to 60% retained on the 3/4" sieve...
  3. charlieroc

    Dam Embankment Design

    I have been asked to perform a soils investigation for a proposed 20 acre-feet retention basin. Max Bank height is 15 feet. I also need to provide recommendations for the materials and specs for the placement of materials. Any tips?? Any recommended books on this topic?
  4. charlieroc

    Dam embankment design

    I have been asked to do a soils investigation for a proposed 20 acre-feet capacity retention basin. Maximum embankment height is 15 feet. They also want me to provide specs for materials and construction techniques. I know the native soils are MH elastic SILT. Any tips? Any good books to...
  5. charlieroc

    mat foundation software

    Does anyone have a recommendation for software for mat foundation analysis?
  6. charlieroc

    [b]mat foundation

    I am working on a project that has a 5 million pound load that we can spread over a 30 foot to 60 foot diameter area. We have SPT values on the upper SP/GP soil which rest on moderately hard ROCK that ranges in depth from 12' to 22' below grade. We have some soil samples in the lab that we...

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