Q4. Discuss the advantages of the principle of effective stress for saturated soil.o=o-uwQ5. Discuss the advantages and the main limitation of Bishop's effective stress.Q6. Discuss which of the following combinations (see Table 1) is more suitable for the descriptionof mechanical behavior of unsaturated soil.Table 1. Possible combination of stress state variables for unsaturated soilReference pressureStress State VariablesPore-air pressure U₂Pore-water pressureTotal stressσ(o-u) and (u-u₂)(o-u) and (u-U₂)(o-u) and (o-u₁)

Effective stress is defined as the force that holds particles together. A soil's cohesiveness is…

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Q4. Discuss the advantages of the principle of effective stress for saturated soil. o'=o-uw

Structural Analysis

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ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

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Problem 1P

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Question

Q4. Discuss the advantages of the principle of effective stress for saturated soil.
o=o-uw
Q5. Discuss the advantages and the main limitation of Bishop's effective stress.
Q6. Discuss which of the following combinations (see Table 1) is more suitable for the description
of mechanical behavior of unsaturated soil.
Table 1. Possible combination of stress state variables for unsaturated soil
Reference pressure
Stress State Variables
Pore-air pressure U₂
Pore-water pressure
Total stress
σ
(o-u) and (u-u₂)
(o-u) and (u-U₂)
(o-u) and (o-u₁)

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