Analysis of a Soil SampleMini Project Sec B

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Data Record• Date tested : 15th March 2013

• Sample’s location : Swabi.

• Tested by : Group (41-45)

July 22, 2012

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Moisture Content

Weigh Oven Dry

Formula

July 22, 2012

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Data Recorded

11.02

88.98

Water Content

July 22, 2012

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Specific Gravity

July 22, 2012

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Observations

Mass of empty

Pycnometer = M1= 306.85 g

Mass of empty

Pycnometer + Dry Soil =

M2=317.62g

Mass of Pycnomete

r with water+

Soil =M3= 1305g

Pycnometer and Water Mass=

M4=1297.25g

Specific Gravity=

M2-M1/(M2-M1)-(M3-

M4)

Specific Gravity =5.33

July 22, 2012

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Sieve Analysis

July 22, 2012

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Percentage Passing Against Sieve No

Sieve No 4 Sieve No 8 Sieve No 16 Sieve No 30 Sieve No 50 Sieve No 100 Sieve No 200

79.66

67.74

56.22

38.29

15.49

5.9181.408

Fineness Modulus Found to be 5.01

July 22, 2012

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Atterberg’s Limits

July 22, 2012

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Liquid Limit of the Sample

July 22, 2012

10 15 20 25 30 35 400

5

10

15

20

25

Number of blows against water content

17%

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Plastic Limit

• We were not able to make a thread out of the soil sample.

• By definition , the sample has no plastic limit.

July 22, 2012

Mini Project12

Sources of Error

Soil Sample Loss.

Incorrect Balance Reading.

Mechanical Shaking not exactly for 15 min.

July 22, 2012

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Analysis

July 22, 2012

• The soil fineness is not in the standard range. ( Not fine )

• Soil is uniformly graded.

• For Plastic Limit , some other method ( Fall Cone ) should be employed.

• Plastic Limit was not found , so no plasticity.

Questions