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  1. soilnwavesco

    Relative density vs MDD

    Hi Geotechguy1, I think the concepts might differ, but I'd appreciate your opinion. I believe that unbound materials with no plasticity should be tested using Relative Density (RD) to target a minimum voids ratio. Depending on the type of project, such as road construction, Maximum Dry Density...
  2. soilnwavesco

    Relative density vs MDD

    Hi Eire, To confirm the Relative Density (Dr) or Density Index (Id) as it's referred to here, we conducted tests to determine the minimum and maximum dry density of the material. We then used a Nuclear Density Meter (NDM) to test the compacted material (coarse) in-situ, allowing us to obtain...
  3. soilnwavesco

    Relative density vs MDD

    Hi everyone, I'm currently working as a site engineer on a drainage project in New Zealand. In the embedment zone of a pipe, the civil specifications call for a relative density (Dr) above 60% in some instances, and a compaction ratio (MDD,OMC) (standard compaction) above 95% in others. I'm...
  4. soilnwavesco

    Immediate settlement

    How relevant? compare the long-term vs immediate settlement. But more important than that is which type of soil do you have in your site?
  5. soilnwavesco

    Continuous Shallow Foundation on a Beach

    Hi mate, If you have any concern about the geotechnical design please check: 1. The minimum scour depth if it is estimated, this is a constraint for the minimum depth of the foundation. 2. The bearing capacity with the Nspt or another in situ testing. 3. An aerial photography (at least 50...
  6. soilnwavesco

    Earthquake effects (Active earth pressure)

    G'd day guys! Would like to know if anyone understands the reason why the angle α in GEO5/CANTILEVER_WALL is change for the estimation of Kae ("dynamic" active earth pressure coefficient) given that the angle is 0 degrees. The explanation of the equation is...

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