Answered: Example 2.6: A sample of saturated soil…

Example 2.6: A sample of saturated soil has a water content of 35%. The specific gravity of solids is 2.65. Determine its void ratio, porosity, saturated unit weight and dry unit weight.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter3: Weight–volume Relationships

Section: Chapter Questions

Problem 3.18P

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Concept explainers

Weight-Volume relationships

Weight is defined as the quantity of matter contained in a body. Weight can also be defined as the force acting on a body due to gravity. Mathematically, weight can be defined as-

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Example 2.6: A sample of saturated soil has a water content of 35%. The specific gravity of
solids is 2.65. Determine its void ratio, porosity, saturated unit weight and dry unit weight.

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Q3: Select the correct answer: 1. A soil sample has a specific gravity of 2.6 and a void ratio of 0.832. The water content required to fully saturated the soil at that void ratio will be: a. 42%. b. 62 %. c.32% d. 22% 2. The ratio of the volume of voids to the volume of solids of soil is: a. Void ratio. b. Air content c. Degree of saturation. d. Porosity. 3. The void ratio of the soil in its loosest condition а. етах- b. emin. с. еn d. e. 4. At fully saturated dry soil, Vw=Vv (S =1). a. True. b. False 5. A soil sample has a specific gravity of 2.6 and the water content is 0.32 required to fully saturated the soil at that void ratio will be: a. 0.832. b. 0.62. c.0.32 d. 0.22
The consistency limits of a soil sample are:LL=52%, PL=35%, SL=17%. If a specimen of this soil shrinks from a volume of 10 cc at liquid limit to 6.1 cc at plastic limit, determine the specific gravity of solids. FIND THE Gs of solids.
b. A soil layer with a moisture content of 10 percent and a unit weight of 16.5 KN per cubic meter has a decrease in volume by 10 percent after compaction. Find the dry specific weight of the soil. Please solve question (b) I have the answer of Question (a)if you need information please use the question a. given data: a. The moisture content of the soil specimen is 20%, and the total weight is 300 gr. Calculate thevoid ratio and degree of saturation if the total volume was 180 cm3. (Gs = 2.5)
The consistency limits of a soil sample are: LL=52%, PL=35%, SL=17%. If a specimen of this soil shrinks from a volume of 10 cc at liquid limit to 6.1 cc at plastic limit, determine the specific gravity of solids. Answer should be Gs=2.65.
435 grams of moist granular soil was tested in the laboratory and was found to have a specific gravity of soil solids of 2.65. If the air void ratio is 16% and the volume of the solids is 116 cubic centimeters. Determine the: a. Void ratio. b. Bulk density, g/cc. c. Amount of water to be added to attain saturated state, g.
A saturated soil sample, weighing 178 g has a volume of 96 cc. If the specific gravity of soil solids be 2.67, determine the porosity in percent.
A sample of soil was tested in the laboratory, and the test results were listed as follows. Classify the soil by Unified Soil Classification System. 1. Liquid limit = 29%. 2. Plastic limit = 19%. 3. Mechanical grain-size analysis:
A 150 cm 3 sample of wet soil scales 250 g when 100% saturated. It is oven dried and found to weigh 162 g. Calculate the dry unit weight, water content, void ratio, and specific gravity.
Q2: A 0.01 m' of saturated soil sample has a unit weight of 1.6g/cm3. After it is dried in the oven, the weight of the soil sample reduced to 13.5kg. Use a phase diagram, determine the following: Weight of water for the saturated soil, Ww Water content, wc Ws WATER Void ratio, e Porosity, n SOLID befare trng W. Va SOLID efter ening
U B. ( A Soil Specimen has the following characteristics: % passing No.4 sieve = 85 % passing No.200 sieve = 11 D60 = 2 mm D30 = 0.35 mm D₁0 = 70 μm L.L = 36% P.L = 31% D8 = 2 µm 1. Classify the specimen according to the Unified Soil Classification System (USCS). Assign the group name and the group symbol. 2. Determine the soil activity. 3. Determine the soil Liquidity index and consistency index if we = 26%.
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