Traffic And Highway Engineering
5th Edition
ISBN: 9781133605157
Author: Garber, Nicholas J., Hoel, Lester A.
Publisher: Cengage Learning,
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Question
Chapter 17, Problem 2P
To determine
(a)
Moisture content of the soil
To determine
(b)
Void ratio of the soil
To determine
(c)
Degree of saturation of the soil
To determine
(d)
Porosity of the soil
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A soil has a bulk density of 2.23g/cc and a dry density of 1.96g/cc , and the specific gravity of the soil particles is 2.70. Determine moisture content, degree of saturation, void ratio and porosity.
A Soil sample has a porosity of 35%. The soil is 75% saturated and the specific gravity of soil solids is 2.68. Determine:
a. Void ratio
b. Dry Density
c. Bulk Density
d. Moisture Content
1. The water content of a 100% saturated soil is 30% and the specific gravity of solids is 2.65. Determine the void ratio and unit weight (kN/m³)
2. A 0.08 m³ sample of soil weighs 1.4 kN. When it is dried out in an oven, it weighs 1.3 kN. The specific gravity of solids is found to be 2.70. Find the water content, void ratio, porosity, degree of saturation and the wet and dry unit weights.
3. A container with soil sample of completely saturated clay weighs 0.7 N. After drying, the weight becomes 0.62 N. The container weight is 0.35 N and the specific gravity of the soil is 2.70. Determine the void ratio, water content and porosity of the original sample.
4. A moist sand sample has a volume of 464 cm³ in natural state and a weight of 8.5 N. The dry weight is 7.4 N and the specific gravity is 2.68. Determine the void ratio, the porosity, the water content and the degree of saturation.
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- A sample of soil was taken from below the groundwater table. The moisture content was determined to be 52% and the specific gravity of solids (Gs) was found to be 2.69. Determine: (a) the moist unit weight, (b) the dry unit weight, (c) the buoyant (submerged) unit weight, (d) the void ratio, and (e) the porosity.arrow_forwardA 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 weightarrow_forwardThe weight of a sample of saturated soil before drying is 2.8 lb and after drying is 2.1 lb. If the specific gravity of the soil particles is 2.6, determine: (a) moisture content, (b) void ratio, (c) porosity, (d) bulk density, and (e) dry density.arrow_forward
- 3.) A saturated soil has the following characteristics: Initial volume: 25 cm3 Final volume: 16 cm3 Mass of Wet Soil: 45 g Mass of Dry Soil: 31 g a.) Determine the shrinkage limit of soil. b.) Determine the shrinkage ratio. c.) Determine the specific gravity of soil solids.arrow_forwardThe moist mass of 0.1 ft3 of soil is 12.5 lb. if the moisture content is 14% and the specific gravity of soil solids 2.71; a) What is the value of moist unit weight? b) What is the value of dry unit weight? c) What is the value of void ratio? d) What is the value of porosity? e) What is the value of degree of saturation?arrow_forwardDry soil is mixed with 19% by weight with water and then compacted. The moist soil has a volume of 1x 10 3 m3 and a mass of 1.6 kg. The soil solids have specific gravity of 2.72. 1. What is the dry unit weight of the soil? 2. What is the void ratio of the soil? 3. What is the degree of saturation of the soil?arrow_forward
- The moist mass of 0.1 ft3 of soil is 12.5 lb. if the moisture content is 14% and the specific gravity of soil solids 2.71; a) What is the value of moist unit weight? b) What is the value of dry unit weight? c) What is the value of void ratio?arrow_forwardDerive the formula between soil moisture content (w), degree of saturation (S), specific gravity(G), and void ratio (e). A saturated clay has a water content of 40% and bulk specific gravity of 1.90. Determine the void ratio and specific gravity of particles.arrow_forwardA man collected a sample of soil outside of his house. The moist unit weight of the soil is 18.9 , and the soil solids have a specific gravity of 2.67. If the soil is found to have a water content of 9.8 %, determine: a.) Void ratio b.) Dry unit weight c.) Degree of Saturation d.) How much water to add () to achieve a degree of saturation of 89 % e.) How much water to add () to achieve full saturationarrow_forward
- Determine the void ratio of a soil if its bulk density is 2.06 g/cc and it has a moisture content of 24 percent. the specific gravity of the soil particles is 2.75. Also determine its dry density and degree of saturation.arrow_forwardThe coefficient of gradation for certain soil is 4. Given that is D10 and D30 is 0.045 mm and 0.210 mm. Calculate the uniformity coefficient.arrow_forwardA saturated soil has a moisture content of 38% and a specific gravity of 2.73. Compute the void ratio, porosity and the unit weight of the soil.arrow_forward
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