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  • Users: ahgeo11
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  1. ahgeo11

    Hydrometer/Sieve and Atterberg Limits results disagreeing

    Hi there, I recently completed a sieve/hydrometer and Atterberg limits test on the same sample. The sieve/hydrometer classifies the material as ML with approx. 12% clay (<0.002mm) and 44% silt while the Atterberg results in LL=27, PI=8 for a CL classification. For what it's worth, checking the...
  2. ahgeo11

    Issue combining sieve analysis and hydrometer data using ASTM D7928

    I'm wondering if the sieve and hydrometer performed on the same sample should meet up smoothly when combined on a curve. Say my sieve ends at 0.075mm = 28.5% passing, but my hydrometer starts at 0.0505mm = 33.54% passing, that is quite a jump in the graph if they were combined. Am I missing...

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