Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 2, Problem 2.12P
To determine
Calculate the percentages of gravels, sands, and fines in the soils A and B based on the Unified Soil Classification System.
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For an inorganic soil, the following grain-size analysis is given.
For this soil, LL = 23 and PL = 19. Classify the soil by using Unified Soil Classification System. Give group names and group symbols.
For an inorganic soil, the following grain size analysis is given
U.S sieve NO.
4
10
20
40
80
200
percent passing
100
90
64
38
18
13
For this soil , L.L = 23 and PL = 19 classify the soil according to:
a- The AASHTO soil classification system.
b- The unified soil classification system . Give group names and group
symbols.
Figure 2 shows the dry density versus water content relationship for a fine-grained soilcompacted using two different levels of energy. Three points are identified on thesecompaction curves and labeled as A, B and C.
Describe and compare the soil structure of A and B.
Chapter 2 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Ch. 2 - Prob. 2.1PCh. 2 - Following are the results of a sieve analysis: a....Ch. 2 - For a soil, given: D10 = 0.08 mm D30 = 0.22 mm D60...Ch. 2 - For a soil, given: D10 = 0.08 mm D30 = 0.22 mm D60...Ch. 2 - Repeat Problem 2.2 with the following results of a...Ch. 2 - Repeat Problem 2.2 with the following results of a...Ch. 2 - The particle characteristics of a soil are given...Ch. 2 - Redo Problem 2.7 according to the USDA system...Ch. 2 - Redo Problem 2.7 according to the AASHTO system...Ch. 2 - In a hydrometer test, the results are as follows:...
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- The particle characteristics of a soil are given below. Draw the particle-size distribution curve and find the percentages of gravel, sand, silt, and clay according to the MIT system (Table 2.3).arrow_forwardThe grain-size characteristics of a soil are given in the following table. a. Draw the grain-size distribution curve. b. Determine the percentages of gravel, sand, silt, and clay according to the MIT system. c. Repeat Part b using the USDA system. d. Repeat Part b using the AASHTO system.arrow_forwardRedo Problem 2.7 according to the USDA system (Table 2.3). 2.7 The particle characteristics of a soil are given below. Draw the particle-size distribution curve and find the percentages of gravel, sand, silt, and clay according to the MIT system (Table 2.3).arrow_forward
- Redo Problem 2.7 according to the AASHTO system (Table 2.3). 2.7 The particle characteristics of a soil are given below. Draw the particle-size distribution curve and find the percentages of gravel, sand, silt, and clay according to the MIT system (Table 2.3).arrow_forwardRepeat Problem 2.11 with the following data. 2.11 The grain-size characteristics of a soil are given in the following table. a. Draw the grain-size distribution curve. b. Determine the percentages of gravel, sand, silt, and clay according to the MIT system. c. Repeat Part b using the USDA system. d. Repeat Part b using the AASHTO system.arrow_forwardClassify the soils given in Problem 2.6 by the Unified Soil Classification System and determine the group symbols and group names.arrow_forward
- A soil with a liquidity index of 0 has a liquid limit of 59% and a plasticity index of 34%. What is its natural water content (in percent)? Round off to two decimal places.arrow_forwardQuestion: For a given soil, the following are known: Percentage passing No. 4 sieve = 100 Percentage passing No. 200 sieve =61 Liquid limit = 26 Plastic Index =6 Classify the soil using the Unified Soil Classification System. Give the group symbol and the group name.arrow_forwardQUESTION: Determine the best answer for the following question: Which of the following is NOT used in classifying the type of soil based on the water content within its void spaces and why? (A) frozen soil (B) dry soil (C) moist soil (partially-saturated soil) (D) saturated soil (fully-saturated soil)arrow_forward
- One cubic meter of wet soils weighs 19.80 kN. If the specific gravity of soil particles is 2.70 and water content is 11%, find the degree of saturation.arrow_forwardCalculate the bulk density of a soil using the following values; a. Weight of fresh clod= 35 g b. Weight of paraffin clod= 38 g c. Weight of paraffin clod in water= 16 g d. Moisture content of the clod= 12%arrow_forwarddetermine the group symbol and index for soil a, b and c.arrow_forward
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