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  1. Throstur

    Permeability test of -200mm rockfill

    Hi all, I´m facing the issue of trying to determine the permeability coefficient of -200mm rockfill!!?!? The gradation parameters are: D100 = 200mm D50 = 50mm D10 = 7mm This material is compacted with 16 metric tons vibratory compactors (6 passes). Does anybody have suggestions or knowledge...
  2. Throstur

    Rockfill placement on bedrock with water

    Hi all, I´m looking for helpful tips or comments on the placement of rockfill (-75mm) ontop of clean bedrock, which is quite uneven (+/- 1 m or so). Due to site conditions, water is covering much of the bedrock. Draining the "pond" is not working effectively due to groundwater flow. The...
  3. Throstur

    Gradation requirements

    Hi, I have a small question with Gradation requirements. I´ve seen a few gradation requirements for roads and structural fills but I´m wondering how is the shape of these curves constructed? Obviously you want the GSD to be well graded to get a high density and, to me, the highest possible...

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