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