Which value do we consider for CBR for soil?

No of Blows 10 25 56

CBR@ 2.54 mm penetration 15 ,22,33

CBR@ 5.08 mm penetration 20,31,44

Degree of compaction 90,95,100

Fianal moisture content 16 ,15,14 all are %-----For Subgrade material

1 Answer

  • Mav
    Lv 6
    1 decade ago
    Favorite Answer

    Intensive industrial applications of hexavalent chromium [Cr(VI)] have caused substantial soil contamination. Chromium-resistant bacteria (CRB) isolated from soils can be used to transform toxic Cr(VI) to less toxic Cr(III) in soils.

    See this Link:


    Best to you.

    Source(s): Engineer
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