2010年7月4日星期日

Aggregates

  1. Classified under 2 categories
  2. Coarse aggregates -pass through 75mm mesh sieve and are entirely retained on 4.75 mm ( 3/16 in )
  3. Aggregates greater than 75 mm know as cyclopean aggregates
  4. Fine aggegates ( sand ) -size smaller than 4..75 mm but completely retained on 0.07 mm mesh
  5. Silt -0.06-0.02 ,,,
  6. Clay -smaller than 0.02 ,,

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