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  1. 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...
  2. 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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