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  1. SiteMonkey

    soil classification

    BigH - I'm not suggesting there is a better way of determining the clay/silt divide. I agree the BS5930 are just putting in clauses to cover themselves without giving any other recommendations.
  2. SiteMonkey

    soil classification

    Hi ohyeh I've encountered this issue before and the explanation as given by the BS5930 (Section 41.4.4.4) is: 1. the presence of silt size aggreagates of the clay minerals themselves 2. the fact that the A-line is a poor way (although most commonly accepted way) of distinguishing between...
  3. SiteMonkey

    Classification of soils for use in Highway Construction

    Hi doolittle2 As mentioned by soiledup you will need some PSDs to properly classify the material to the highway spec. Experience would suggest that the weathered shillet material usually falls into a Classes 2A-2D 'cohesive material'. I'd suggest PSDs and MCs/Atterbergs on the material to...
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