Q¹: Answer only one of the following1- A series of direct shear rests was conducted on a soil. Each test was carried outtill the sample failed. The following results were obtained. Determine thecohesion intercept and the angle of shearing resistance.Sample 1Normal stress (psi)Shear stresses (psi)12.272.624.554.736.825.92- What are the common of the laboratory methods for determining the coefficientof permeability of soils? Describe briefly these methods?Q: Multiple choice questions1- A constant head permeameter is used forCoarse-grained soils (b) Silty soils (c) Clayey soils (d) Organic soils2- The effective stress controls the following properties of soils:(a) Shear strength (b) CompressibilityPermeability (d) All the above3- The shear strength of plastic undrained clay depends upon(a) Internal friction) Cohesion (c) Both (a) and (b) (d) Neither (a) and (b)4-The coefficient of compressibility is the ratio of(a) Change in void ratio to change in effective stress(b) Volumetric strain to change in effective stress.(c) Change in thickness to change in effective s1rcss.(d) Stress to strain5- With an increase in the liquid limit, compression index(a) Decreases (2) Increases (c) Remain constant (d) May increase or decrease

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Answered: 2- What are the common of the…

2- What are the common of the laboratory methods for determining the coefficient of permeability of soils? Describe briefly these methods?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Q¹: Answer only one of the following
1- A series of direct shear rests was conducted on a soil. Each test was carried out
till the sample failed. The following results were obtained. Determine the
cohesion intercept and the angle of shearing resistance.
Sample 1
Normal stress (psi)
Shear stresses (psi)
1
2.27
2.6
2
4.55
4.7
3
6.82
5.9
2- What are the common of the laboratory methods for determining the coefficient
of permeability of soils? Describe briefly these methods?
Q: Multiple choice questions
1- A constant head permeameter is used for
Coarse-grained soils (b) Silty soils (c) Clayey soils (d) Organic soils
2- The effective stress controls the following properties of soils:
(a) Shear strength (b) CompressibilityPermeability (d) All the above
3- The shear strength of plastic undrained clay depends upon
(a) Internal friction) Cohesion (c) Both (a) and (b) (d) Neither (a) and (b)
4-The coefficient of compressibility is the ratio of
(a) Change in void ratio to change in effective stress
(b) Volumetric strain to change in effective stress.
(c) Change in thickness to change in effective s1rcss.
(d) Stress to strain
5- With an increase in the liquid limit, compression index
(a) Decreases (2) Increases (c) Remain constant (d) May increase or decrease

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