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CODE & SUBJECT : DCC 2042 – CONCRETE AND

BRICWORK

TITLE : SIEVE TEST ( FINE AGGREGATE)

LECTURER’S NAME : PUAN HUSNA BINTI MAT SALLEH

KELAS : DKA1B

NAME

REGISTRATION NO.

MUHAMAD AKMAL BIN MOHAMAD SHARIF

03DKA16F2030

AINUNYASMINE BINTI HASLAN

03DKA16F2023

NIRANDOAL A/L CHENG

03DKA16F2029

NUR AIDA BINTI ZAINOL ABIDIN

03DKA16F2027

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OBJECTIVE

To determine a particular soil grain size distribution(GSD) THEORY : The experiment is

carried out to determine a good distribution of aggregate by using sieve and comparing

the result obtained with BS 410. The plotted distribution curve can give a clear picture of

the quality of different sizes of aggregates. A good distribution curve must be an ’Ideal

Fuller Curve’ .

APPARATUS

1. Division box size 25.4mm (1’’) and 44.45mm (13/4 )

2. 500g of dry fine aggregate.(sand)

3. Sieve size : 0.212mm.025mm,06mm,1.18mm,2.34mm.

4. Sieve pan and cover.

5. Mechanical sieve shaker

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PROCEDURE

1. Perform a visual classification on the soil provided.

2. Inspect your sieve stack. Check for any loose screens, holes in the screens or

tears at the seams. Clean the sieve if necessary. Use a course wire brush for

larger sieve sizes, but use a soft nylon brush with smaller sieve sizes.

3. Divide the sample of fine aggregate with a division box, size 25.4mm and

course aggregate with division box size 44.45mm.

4. Weigh accurately 500g of fine aggregate.

5. Use a sieve with diameter 20.32mm to 2.4mm for fine aggregate.

6. Place your sieves in a stack of increasing sieve number- this corresponds to

decreasing opening size. The largest sieve opening should be on top, and the

pan at the bottom.

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7. Pour the prepared aggregate sample into the top if the sieve and place the

cover tightly on top.

8. Place the sieve stacked into the sieve shaker and secure the top clamp.

When the sieve shaker has stopped, remove the sieve stack.

9. Now, record the mass of each sieve (and the pan) with it’s contents. Since

you’ve already obtained the sieve’s masses, you can now determine the

amount of soil retained on each sieve.

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ANALYSIS

Weight passing through :

𝑤𝑒𝑖𝑔ℎ𝑡 𝑜𝑓 𝑠𝑎𝑚𝑝𝑙𝑒 − 𝑤𝑒𝑖𝑔ℎ𝑡 𝑟𝑒𝑡𝑎𝑖𝑛𝑒𝑑

Percentage passing through :

𝑤𝑒𝑖𝑔ℎ𝑡 𝑝𝑎𝑠𝑠𝑖𝑛𝑔 𝑡ℎ𝑟𝑜𝑢𝑔ℎ

𝑤𝑒𝑖𝑔ℎ𝑡 𝑟𝑒𝑡𝑎𝑖𝑛𝑒𝑑 × 100%

Percentage retained :

𝑤𝑒𝑖𝑔ℎ𝑡 𝑟𝑒𝑡𝑎𝑖𝑛𝑒𝑑

𝑤𝑒𝑖𝑔ℎ𝑡 𝑜𝑓 𝑠𝑎𝑚𝑝𝑙𝑒× 100%

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RESULT

EMPTY

SIEVE

SIEVE +

SAND

WEIGHT

RETAINED

PERCENTAGE

RETAINED

PERCENTAGE

PASSING THROUGH

10 371 372 1 1

500× 100 = 0.2%

100 − 0.2 = 99.8%

5 454 484 30 30

500× 100 = 6%

99.5 − 6 = 93.8%

2.36 522 609 87 87

500× 100 = 17.4%

93.8 − 17.4 = 76.4%

1.18 353 437 84 84

500× 100 = 16.8%

76.4 − 16.8 = 59.6%

0.60 377 429 52 52

500× 100 = 10.4%

59.6 − 10.4 = 49.2%

0.30 377 423 46 46

500× 100 = 9.2%

49.2 − 9.2 = 40%

0.14 297 423 126 127

500× 100 = 25.2%

40 − 25.2 = 14.8%

PAN 299 373 74 74

500× 100 = 14.8%

14.8 − 14.8 = 0%

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DISCUSSION

Grading basically indicates the sizes of the aggregates and in which proportions they

are present. There are some limiting values for every sieve provided by ASTM or BS,

we use these limiting values to get our final answer by the method explained below.

Take the minimum and the maximum values provided by ASTM and plot them on the

grading curve. Now take these minimum and maximum value lines as your reference

and if the curve of our own data lies inside these two lines then the quality of our sample

is OK but if your curve lies outside these two lines of maximum and minimum range

then the sample is not according to specifications.

CONCLUSSION

The experiment has been performed successfully and the fineness modulus of different

samples have been calculated which are shown above. As we know that the Fineness

modulus is a measurement of the coarseness or fineness of a given aggregate, higher

the FM the coarser the aggregate. As we know that Larger value of FM is preferred for

fine aggregates & For a good fine aggregate, the FM should be between 2.3 and 3.1