NED University of Engineering and TechnologyDepartment of Civil Engineering

Soil Mechanics Laboratory

Test Results for TEST ON SOIL

Name of customer M/s

Consultant

Category Residential building

Project location

Type of Testing

Prepared by ENGR HAFIZ ABDUS SAMI CE-31

Subject Ground Water And Seepage

Date of Testing October25, 2013.

Note

1) Results pertain to the samples supplied to the laboratory

2) The tests were conducted based on the available quantity of the material provided.

3) The results along with graphs are enclosed

Ref. No.……………..Dated: DD/10/ 2013

PREPARED BY VERIFIED BY SUPERVISED BY

Dr. Amanullah MarriProfessor

Amir NizamSr. Laboratory Engineer

Prof. Dr. Asad ur Rehman Khan

Chairman

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 1 of 10

Soil Mechanics Laboratory (Lab: Report)

Report

Moist soil samples delivered to the Soil Mechanics laboratory at NED University for

testing. In compliance to the request; necessary tests were conducted on the samples. The

summary of the test results is given in the following table (Table 1).

Table 1 Summary of test results

soil Water Absorption

Ratio Of soil

Plastic limit liquid limit

Hydraulic Conductivity

(K)

Specific Gravity

Shrinkage limit

Clay 15.80 % 30.04 29.89 6.907x10-7 2.73 15.12

Figure 1 Water absorption ratio soilTable 1 Water absorption ratio soilWeight of Dish W1 21.38 grams

Weight of Dish + wet soil W2 49.47 grams

weight of dish + dry soil W3 42.72 grams

Water Absorption Ratio Of soil 15.80 %

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 2 of 10

Soil Mechanics Laboratory (Lab: Report)

water contentdry soil

Figure 2 Water content testTable 2 Water content test TEST DATA UNITWeight of Shrinkage Dish W1 21.38 gramsWeight of Dish + wet soil W2 49.47 gramsweight of dish + dry soil W3 42.72 gramsMoisture content,

31.63%

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 3 of 10

Soil Mechanics Laboratory (Lab: Report)

31.63 % water

water contentdry soil

Figure 3 Specific gravity of soil test of the soil sample.

Table 3 Specific gravity of soil test of the soil sample.Data Weight of empty density bottle W1 in g 27.05Weight of density bottle full of water W2 in g 77.65Weight of density bottle + water + soil W3 in g 84Weight of water W4 in g 50.6Weight of density bottle + water W5 in g 74Weight of soil W6 in g 10

Weight of displaced Water (W2- W5) W7 in g177.65

Specific Gravity = (Weight of soil W 6 ) ( Weight of displaced Water W7) 2.73

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 4 of 10

Soil Mechanics Laboratory (Lab: Report)

Table 4 Reference table for Specific gravity characteristics.

Result : The soil sample Specific gravity was found as of clay.

Figure 4 Shrinkage limit test of the soil sample.

Table 5 Shrinkage limit test of the soil sample. Data TEST DATAWeight of Shrinkage Dish W1 21.38 gramsWeight of Dish + wet soil W2 49.47 gramsweight of dish + dry soil W3 42.72 grams

31.63 %

Mass of mercury to fill the dish, W4 222.24 grams

Mass of mercury displaced by soil pat W5 174.31 grams

16.51%

15.12

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 5 of 10

Soil Mechanics Laboratory (Lab: Report)

Figure 5 Hydraulic conductivity test of the soil sample.

Table 6 Hydraulic conductivity datasheet

a( cm2)

L(cm)

A(cm2)

T(C)

h1

(cm)h2

(cm)t

(sec)Kav

(cm/sec)

0.866 11.56 80.92 35 50 49.5 1800 6.907x10-7

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 6 of 10

Soil Mechanics Laboratory (Lab: Report)

Table 7 Reference table for hydraulic conductivity characteristics

Table 8 Reference table for hydraulic conductivity characteristics

Result :Through hydraulic conductivity characteristics the soil was found as clay

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 7 of 10

Soil Mechanics Laboratory (Lab: Report)

Figure 6 Field density of soil outside of soil lab (Sand replacement method)

Table 9 Field density of soil outside of soil lab (Sand replacement method) data Test Steps Quantity

Calibration coneWeight of plastic Gallon+Cone+Sand (before use), W1

8350 grams

Weight of plastic Gallon+Cone+Sand (after use), W2

6486 grams

Weight of the sand to fill the cone, Wc = W1- W2 1864 gramsVolume of cone V1 1/30 ft 3

Dry unit weight, γd (sand) = (W2 - W1) / V1 55920 g/ft3

Result From field tsetsWeight of plastic Gallon+Cone+Sand (before use), W3

8350 grams

Weight of plastic Gallon+Cone+Sand (after use), W4

4876 ft3

Volume of hole, V2 = (W5-W6-Wc)/ γd (sand) 0.03201 ft3

Weight of evaporating dish, W5 21.38 gramsWeight of evaporating dish + wet soil from the field, W6

91.93 grams

Weight of evaporating dish + dry soil after 24hrs, W7

90.53

Moist unit weight of the soil in the field, γt (in-situ

soil) = (W6 – W5) / V2

2204.7

Water content in the field, w(%)= (W6 – W7) / (W7- W5)*100

2.36 %

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 8 of 10

Soil Mechanics Laboratory (Lab: Report)

Dry unit weight in the field, γd (in-situ soil)= [γt (Row

14)] / [1+ w(%) / 100]2153.86 g/ft3

Figure 7 Liquid and plastic limit of soil by casagrande method.

Table 10 Liquid and plastic limit of soil by casagrande method data TEST Data 1 Data 2 UNITWeight of Shrinkage Dish W1 21.38 21.38 gramsWeight of Dish + wet soil W2 49.47 53.48 gramsweight of dish + dry soil W3 42.72 46.37 gramsMoisture content,

31.6328.45 %

Number of blows, N 18 24

Plastic limit wp= 30.04Flow index

24.45

liquid limit,

29.89

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 9 of 10

Soil Mechanics Laboratory (Lab: Report)

Result : From Plasticity Chart it is known that the sample of soil is Clay.

Department of Civil Engineering, NED University of Engineering & Technology, Karachi-75270 Page 10 of 10