CE 341A - Sieve Analysis and Hydrometer Test full Lab Report.

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(2) Calculate the percent retained on each sieve by dividing the weight retained on each sieve by the original sample mass. (3) Calculate the percent passing (or percent finer) by starting with 100 ... percent and subtracting the percent retained on each sieve as a cumulative procedure. For example: Total mass = 500 g Mass retained on No. 4 sieve = 9.7 g Mass retained on No. 10 sieve = 39.5 g For the No.4 sieve: Quantity passing = Total mass - Mass retained = 500 - 9.7 = 490.3 g The percent retained is calculated as; % retained = Mass retained/Total mass = (9.7/500) X 100 = 1.9 % From this, the % passing = 100 - 1.9 = 98.1 % For the No. 10 sieve: Quantity passing = Mass arriving - Mass retained = 490.3 - 39.5 = 450.8 g % Retained = (39.5/500) X 100 = 7.9 % % Passing = 100 - 1.9 - 7.9 = 90.2 % (Alternatively, use % passing = % Arriving - % Retained For No. 10 sieve = 98.1 - 7.9 = 90.2 %) [Show More]

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