Following the sieve analysis and the specific gravity of "SAND 1", a hydrometer test was performed on the soil that passed the #40 sieve, and the following data was collected: Material Time SAND 1 hydrometer reading min R 2 16.5 5 16 8 15.9 12 15.8 15 15.6 30 15.4 45 15.3 60 15.2 1440 14.2 (Hint: Use the specific gravity and temperature from the Specific gravity test of SAND 1)

Following the sieve analysis and the specific gravity of "SAND 1", a hydrometer test was performed on the soil that passed the #40 sieve, and the following data was collected: Material Time SAND 1 hydrometer reading min R 2 16.5 5 16 8 15.9 12 15.8 15 15.6 30 15.4 45 15.3 60 15.2 1440 14.2 (Hint: Use the specific gravity and temperature from the Specific gravity test of SAND 1)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Laboratory Determination of Hydraulic Conductivity

Hydraulic conductivity is the measure of flowability of water inside the soil in the presence of a hydraulic gradient. The hydraulic gradient is defined as the difference in the water heads in the soil, which induces a water motion. In simple terms, a hydraulic gradient is the presence of a potential that induces a flow of water.

Question

Following the sieve analysis and the specific gravity of "SAND 1", a hydrometer test was
performed on the soil that passed the #40 sieve, and the following data was collected:
Material
SAND 1
Time
min
2
UN
5
8
12
15
30
45
60
1440
hydrometer
reading
R
16.5
16
15.9
15.8
15.6
15.4
15.3
15.2
14.2
(Hint: Use the specific gravity and temperature from the Specific gravity test of SAND 1)
3-a) Briefly describe the test procedure and discuss its applications in practice
3-b) Percentage of fines (less than 0.075 mm) [Hint: from the sieve analysis data] =--%
3-c) Percentage of silt (less than 0.075 mm and greater than 0.002 mm) = --% [Hint: from
sieve analysis and hydrometer test]
3-d) Percentage of clay (less than 0.002 mm) =--%

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Step 1: 3-a) Test procedure and its application:

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Step 2: 3 - b) To calculate percentage of fines:

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Step 3: 3 - c) To determine the percentage of silt:

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Step 4: 3 - d) To determine the percentage of clay:

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