Concept explainers
Find the degree of saturation at optimum moisture content.
Answer to Problem 6.1P
The degree of saturation at optimum moisture content is
Explanation of Solution
Given information:
The maximum dry unit weight of the soil
The optimum moisture content of the soil w is 17 %.
The specific gravity of soil
Calculation:
Determine the degree of saturation (S) using the relation.
Here,
Substitute
Therefore, the degree of saturation at optimum moisture content is
Want to see more full solutions like this?
Chapter 6 Solutions
MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 2 terms (12 months)
- The moist unit weight of a given soil is 18.64KN/m^3 if the degree of saturation is 55%. But if the degree of saturation of the given soil is 80%, it's moist unit weight is 19.73 KN/m^3 A.) Compute the specific gravity of the soil B.) Compute the dry unit weight of the soil. C.) Compute the percent of soil solidsarrow_forwardQ1: For a soil in natural state, given e =0.8, w=24% , and Gs=2.68 (a)determine the moist unit weight, dry unit weight and degree of saturation. (b) If the soil is made complecly saturated by adding water, what would its moisture content at that time ? Also find the saturated unit wieght.arrow_forwardA stratified soil has the following properties: h1 = 1.75m h2 = 2.5m h3 = 4.35m k1 = 2.25E-03 cm/sec k2 = 3.15E-04 cm/sec k3 = 4.75E-05 cm/sec What is the equivalent coefficient of permeability if the water flows parallel to the layer of soil (KeqH) in cm/sec?arrow_forward
- 1. The moist weight of (2.7 + 0.25A) x 10° m³ of soil is (55.5 +0.1C) x 103 kN. If the moisture content is (14 + 0.5B) % and the specific gravity of soil solids is (2.65 + 0.05 D), determine the following: a. Moist unit weight b. Dry unit weight c. Void ratio d. Porosity e. Degree of saturation f. Volume occupied by waterarrow_forwardA clayey soil with specific gravity of 2.70 has natural moisture content of 16% at 70% degree of saturation. What will be its water content if, after soaking, degree of saturation becomes 90%.arrow_forwardA stratified soil has the following properties: h1 = 1.75m h2 = 2.5m h3 = 4.35m k1 = 2.25E-03 cm/sec k2 = 3.15E-04 cm/sec k3 = 4.75E-05 cm/sec What is the equivalent coefficient of permeability if the water flows perpendicular to the layer of soil (KeqV) in cm/sec?arrow_forward
- For a saturated soil, the following are given: watercontent = 23%, Gs = 2.67. Determine the following:a) Saturated unit weightb) Dry unit weightc) Moist unit weight when the degree ofsaturation becomes 70%arrow_forward3.8 When the moisture content of a soil is 26%, the degree of saturation is 72%, and the moist unit weight is 16.98 kN/m³. Determine: a. Specific gravity of soil solids b. Void ratio c. Saturated unit weightarrow_forwardThe moist unit weight of a soil is 119.5 lb/ft3. For a moisture content of 12% and Gs = 2.65, calculate: a. Void ratio b. Porosity c. Degree of saturation d. Dry unit weightarrow_forward
- The moist unit weight of a soil is 119.5 lb/ft3. For a moisture content of 12% and Gs = 2.65, calculate: Degree of saturationarrow_forwardWhen the moisture content of a soil is 26%, the degree of saturation is 72%, and the moist unit weight is 16.98 kN/m3. Determine: Specific gravity of soil solids Void ratio Saturated unit weightarrow_forwardThe moist unit weight of a soil is 19.2 KN/cu.m. Given that Gs=2.69 and water content is 9.8%. Determine:a) Dry unit weightb) Void Ratioc) Porosityd) Degree of Saturationarrow_forward
- Principles of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher:Cengage Learning