A clay has the following Atterberg Limits: LL 24% %3D PL 13% SL 4% The clay shrinks from 10.65 cm^3 to 7.41 cm^3 when the moisture content is decreased from liquid limit to the shrinkage limit. Determine: 1. Plasticity Index (in PERCENTAGE form and in 2 decimal places) 2. Specific gravity of clay solids (in 2 decimal places) 3. Shrinkage ratio (in 2 decimal places)

A clay has the following Atterberg Limits: LL 24% %3D PL 13% SL 4% The clay shrinks from 10.65 cm^3 to 7.41 cm^3 when the moisture content is decreased from liquid limit to the shrinkage limit. Determine: 1. Plasticity Index (in PERCENTAGE form and in 2 decimal places) 2. Specific gravity of clay solids (in 2 decimal places) 3. Shrinkage ratio (in 2 decimal places)

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 plastic limit of a soil is 35% and its plasticity index is 10%. When the soil is dried from its plastic state, the volume change is 25% of its volume at plastic limit. Similarly the corresponding volume change from liquid limit to dry state is 32% of its volume at liquid limit. What is the shrinkage ratio of the soil?
A clay sample has a void ratio 0.50 in dry state and specific gravity of solids is 2 .7 then its shrinkage limit is (in %)
A saturated clay has a natural moisture content of 43%. Taking Gs = 2.70, calculate the void ratio, porosity and wet density.
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.
A clay has the following Atterberg limits: Liquid limit = 60% Plastic limit = 40% %3D Shrinkage limit = 25% %3D The clay shrinks from 15 cubic meters to 9.57 cubic centimeters when the moisture content is decreased from the liquid limit to the shrinkage limit What is the specific gravity of the soil sample. О 1.72 0.35 О 3.72 O 2.72 15.5
A soil specimen has a total volume of 70 cm3 and a total mass of 135.5g. After complete drying in an oven, the specimen has a mass of 122.0g. The Gs is 2.60. Determine the void ratio. Report your answer to three significant figures, and draw the full phase diagram.
A sample of sand its natural state has a relative density if 65 percent. The dry unit weights of the samolw at its densest and loosest states are 18 kN/m^3 and 14 kN/m^3 respectively. Assuming the specific gravity of the solids as 2.64 and water content of 20% determine A. Its dry unit weight in kN/m^3 Choices: 23.54,13.63,19.63,16.36 B.Its wet unit weight in kN/m^3 Choices: 16.36,23.54,13.63,19.63 C.Its bouyant unit weight in kN/m^3 Choices: 12.19,10.16,14.62,8.47
Clays are composed of three main type of minerals: kaolinite, illite, montmorillonite.1) Explain the structural differences of three clay minerals.2) Explain which clay mineral absorb water more easily and why
An undisturbed sample of fine sand is tested in the laboratory and found to have a dry mass of 4.63 kg, a total volume of 0.00198 m³ and a specific gravity of 2.70. Other laboratory tests are performed to determine the maximum and minimum density of the sand. At the maximum density, it is determined that the void ratio is 0.35 at the minimum density, the void ratio is 0.95. A. Compute the void ratio of the sand. B. Compute the relative density of the undisturbed sample. C. Compute the dry density in Mg/m³.
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 soil has bulk unit weight of 20kN / (m ^ 3) and water content of 18%. Calculate the water content if the soil particle dries to a unit weight of 22kN/(m ^ 3) and the void ratio remains constant. (Give the answer rounded to the nearest integer value)
Problem 3 Saturated clay has a volume of 18.9 cm^3 and a mass of 30.2 gm. On oven drying the mass reduces to 18 gm. The volume of dry specimen as determined by displacement of mercury is 9.9 cm^3. Determine the 1. shrinkage limit 2. specific gravity3. shrinkage ratio