3. The moist unit weight and degree of saturation of a soil are given in the following table: Degree of saturation (%) 50 75 Moist unit weight (lb/cu. Ft) 105.73 112.67 a. Determine the void ratio and specific gravity of the soil.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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No.3

1. From the given soil samples below, (a) compute the effective size, uniformity coefficient, and
coefficient of gradation (b) Determine the percent of gravel, sand, silt and clay of soil A using
AASHTO
Sieve
size.
0.425
0.033
0.018
0.01
0.0062
0.0035
0.0018
0.001
Soil A
Passing Finer (%)
Number of Blows, (N)
15
20
28
100
90
80
70
60
50
40
35
2. Following are the results from the liquid and plastic limit tests for a soil.
LIQUID LIMIT TEST
Moisture content (%)
42
40.8
39.1
PLASTIC LIMIT TEST: PL = 18.7%
a. Draw the flow curve and obtain the liquid limit.
b. What is the plasticity index of the soil?
3. The moist unit weight and degree of saturation of a soil are given in the following table:
Moist unit weight (lb/cu. Ft)
105.73
112.67
a. Determine the void ratio and specific gravity of the soil.
Degree of saturation (%)
50
75
Transcribed Image Text:1. From the given soil samples below, (a) compute the effective size, uniformity coefficient, and coefficient of gradation (b) Determine the percent of gravel, sand, silt and clay of soil A using AASHTO Sieve size. 0.425 0.033 0.018 0.01 0.0062 0.0035 0.0018 0.001 Soil A Passing Finer (%) Number of Blows, (N) 15 20 28 100 90 80 70 60 50 40 35 2. Following are the results from the liquid and plastic limit tests for a soil. LIQUID LIMIT TEST Moisture content (%) 42 40.8 39.1 PLASTIC LIMIT TEST: PL = 18.7% a. Draw the flow curve and obtain the liquid limit. b. What is the plasticity index of the soil? 3. The moist unit weight and degree of saturation of a soil are given in the following table: Moist unit weight (lb/cu. Ft) 105.73 112.67 a. Determine the void ratio and specific gravity of the soil. Degree of saturation (%) 50 75
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