% The following is the sieve analysis of aggregates, compute 3. A.S.S 4. State the type of aggregate 1. M.A.S 2. F.M. Sieve 1½ 1 size % Cumulative Passing 100 89 67 440 60 60 53 33 No. 4 40 40 No. 8 No.16 No.30 No.50 No.100 28 23 17 17 3 2

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A sample of a dry course-grained material of 500 grams was shaken through a nest of sieves and the following results are obtained: Sieve No. Opening (mm) 4.75 Mas Retained (grams) 0.0 14.8 4 10 2.00 20 0.85 98.0 40 0.425 90.1 100 0.15 181.9 200 0.075 108.8 Pan 6.4 1. Determine the effective size (mm). 2. Determine the uniformity coefficient. 3. Determine the coefficient of curvature.

"A sieve analysis test was performed on a sample of fine aggregate and produced the following results:Sieve, mm 4.75 2.36 2.00 1.18 0.60 0.30 0.15 0.075 pan.Amount retained, g 0 33.2 56.9 83.1 151.4 40.4 72.0 58.3 15.6 .Calculate the percent passing each sieve, and draw a 0.45 power gradation chart with the use of a spreadsheet program. The specific steps or functions selected in the following description can vary somewhat depending on the version of the spreadsheet program being used.Calculate the fineness modulus of the sieve analysis results of Sample Problem

A sieve analysis test was performed on a sample of fine aggregate and produced the following results:Sieve, mm   4.75 2.36 2.00 1.18 0.60 0.30 0.15 0.075 panAmount retained, g 0 33.2 56.9 83.1 151.4 40.4 72.0 58.3 15.6Calculate the percent passing each sieve, and draw a 0.45 power gradation chart with the use of a spreadsheet program. The specific steps or functions selected in the following description can vary somewhat depending on the version of the spreadsheet program being used.

Three aggregates are to be mixed together in the following ratio:Aggregate A: 35%Aggregate B: 40%Aggregate C: 25%For each aggregate, the percent passing a set of five sieves is shown in Table PDetermine the percent passing each sieve for the blended aggregate.

(C).Workout flakiness & elongation index from the following Flakiness Index Weights of aggregates passing through corresponding slot=w2=200 grams Weight of aggregates retained on a particular sieve =w1=700 grams Workout flakiness index? Elongation Index Weights of aggregates Retained on gauge length =w2=190 grams Weight of aggregates retained on a particular sieve =w1=540 grams Workout elongation index? Are these flakiness & elongation index within permissible range? Also mention bad effects of greater amount of flaky & elongated particles.

A sieve analysis was conducted on a graded aggregate with a nominal maximum aggregate size of 20 mm. Th following data was obtained: Sieve size (mm) Mass retained (g) 37.5 0 26.5 19.0 9.5 4.75 2.36 Pan 80 120 800 1450 130 80 a) Find the mass passing and percentage passing on each sieve and fill in the table provided in the answer sheet. b) Fill in the upper and lower limits of the Australian Standard (AS2758) for this aggregate type. c) As per the AS2758, is the aggregate well-graded? Explain your answer. d) What should be done if the aggregate is poorly graded?

Three samples of aggregates were taken weighed in moist and dry condition. Moist Dry Unit Absorption Volume (m3) Unit Aggregate Wt. Wt. (%) (kN/m3) (kN/m3) Sample 1 23.425 20.018 5.14 0.366 Sample 2 22.7 18.757 3.87 0.695 Sample 3 20.292 18.387 2.62 0.237 Where; Unit weight of water = 9.81 kN/m3 %3D Determine the average free moisture content of the three samples.