2010年6月16日星期三

Sieve Analysis

  1. To establish the grading of an aggregate
  2. Steps:-
  • Air-dried sample passed through series of sieves  of decreasing dimensions
  • Use mechanical vibrator/carried out shaking by hand
  • Materials retained on each sieve is weighed and recorded
  • The % passing through by weight is calculated
  • Gradings is determined by comparing to grading requirement (BS 882)

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