4. A clay sample has the following properties: • Porosity = 0.35 . Maximum void ratio = 0.85 . Minimum void ratio = 0.42 Specific gravity of soil solids = 2.72 . Moisture content = 62% Determine the dry unit weight of the soil in its natural state, in pounds per cubic foot (pcf).

4. A clay sample has the following properties: • Porosity = 0.35 . Maximum void ratio = 0.85 . Minimum void ratio = 0.42 Specific gravity of soil solids = 2.72 . Moisture content = 62% Determine the dry unit weight of the soil in its natural state, in pounds per cubic foot (pcf).

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The moist unit weights and degrees of saturation of a soil sample are given as follows: a. Determine the specific gravity of the soil solidsb. Determine the porosity.c. Find the dry unit weight of soil
Soil Mechanics (1) For a soil, the following are given: Specific gravity = 2.67, moist unit weight = 17.6 kN/m³, water unit weight = 9.81 kN/m3 and moisture content = 12 %. Determine (a) Dry unit weight, (b) Void ratio, (c) Porosity, (d) Degree of saturation
A sample of fully saturated clay weighs 2.98 pounds in its natural state and 2.15 poundsafter drying. Determine the following:a. Natural water contentb. Void ratioc. Porosityd. Moist densitye. Dry density (Hand written please)
A sample of saturated clay was placed in a container and weighed. The weight was 6N. The clay in its container was placed in an oven for 24 hours at 105˚C. The weight reduced to a constant value of 5N. The weight of the container is 1N. If Gs = 2.7, determine: a) Water Content b) Void Ratio c) Bulk Unit Weight d) Dry Unit Weight e) Effective Unit Weight
A certain saturated sand (S = 100%) has a moisture content of 27.9% and a specific gravity of solids of 2.61. It also has a maximum index void ratio of 0.90 and a minimum index void ratio of 0.33. Compute its relative density and classify its consistency. (Table on the right) Solution: Given the values of mmoisture content, specific gravity and degree of saturation, the void ratio can be estiamted as: e = Thus the relative density is found to be Dr = • According to the table, the soil is classified as %; soil. TABLE 3.3 CONSISTENCY OF COARSE-GRAINED SOILS AT VARIOUS RELATIVE DENSITIES (data from Lambe and Whitman, 1969) Relative Density, D,(%) 0-15 15-35 35-65 65-85 85-100 Classification Very loose Loose Medium denseª Dense Very dense "Lambe and Whitman used the term "medium," but "medium dense" is better because "medium" usually refers to the particle size distribution.
9. The field unit weight of the soil sample is 1960 kg/m³, and the unit weight of the soil particle is 2700 kg/m³. If emax=0.69 and emin = 0.44. a) Compute the dry unit weight if the water content is 11% b) Compute the void ratio of the soil sample. c) Compute the relative density of the soil sample.
11. The dry soil is mixed with water (17% by mass) and compacted. The volume of wet soil is 0.001 m³ and has a mass of 1.6 kg. If the specific gravity of the soil solids is 2.70. a. what is the dry unit weight of the soil? b. what is the void ratio? c. what is the degree of saturation?
The wet weight of a soil specimen is 207 g. The dried weight of the specimen is 163 g. If the volume of the specimen is measured before drying is 110 cubic centimeter, determine the Void ratio if specific gravity of solids is 2.68.
Problem Set 2: 4. A sample of gray silty clay has a mass of 126 kg. Laboratory tests results give a moist density (p) of 2.05 g/cm³, a specific gravity of solids (G,) of 2.71, and a moisture content (w) of 15.7%. First determine all entries in the phase diagram. Then determine the void ratio (e), the porosity (n), the degree of saturation (S), the dry density (Pa), the dry unit weight (ya), and the moist unit weight (y). Draw the Phase diagram.
A sample of soil has a volume of 0.57 ft³ and a weight of 57.30 lb. After being dried in an oven, it has a weight of 49.10 lb. It has a specific gravity of solids of 2.66. Compute its moisture content and degree of saturation before it was placed in the oven. Solution: ● ● ● Moisture content: @ = Unit weight of water is: %d Degree of saturation: S = = %; lb/ft³; %.
The indicative properties of soil types A, B, and C were determined as follows: soil cil soil b 35% 60% 20% 28% 25% 43% 27% 40% 100% 110% 2.63 2.7 49% 26% 35% 10% 45% 2.65 soil A Property Liquidity limit Plasticity limit Percentage of clay materials moisture content Degree of Shiism Specific weight Either type 1 is more effective 2 Its edge density is greater 3 Greater overall density 4 Its porosity is greater .5 Classify soil according to the plasticity diagram.