U The confining pressure (o3) is progressively increased to break the sample subjected to uniform principal stresses (ol = o2). When initially loaded, the rock specimen compresses and then begins to dilate as a result of internal fracturing. When the water pressure increases, there is a transition from ductile to brittle behavior. When the confining pressure decreases, the behavior changes from strain- softening to strain-hardening.
U The confining pressure (o3) is progressively increased to break the sample subjected to uniform principal stresses (ol = o2). When initially loaded, the rock specimen compresses and then begins to dilate as a result of internal fracturing. When the water pressure increases, there is a transition from ductile to brittle behavior. When the confining pressure decreases, the behavior changes from strain- softening to strain-hardening.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![Select all true statements. In triaxial loading:
U The confining pressure (o3) is progressively increased to break the sample
subjected to uniform principal stresses (ol = o2).
When initially loaded, the rock specimen compresses and then begins to dilate
as a result of internal fracturing.
When the water pressure increases, there is a transition from ductile to brittle
behavior.
When the confining pressure decreases, the behavior changes from strain-
softening to strain-hardening.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4a4c9b49-e5f1-46f7-9f2a-53f5de1b3170%2F71a115e2-9167-4ff6-842d-dec674052e53%2F0ae642g_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Select all true statements. In triaxial loading:
U The confining pressure (o3) is progressively increased to break the sample
subjected to uniform principal stresses (ol = o2).
When initially loaded, the rock specimen compresses and then begins to dilate
as a result of internal fracturing.
When the water pressure increases, there is a transition from ductile to brittle
behavior.
When the confining pressure decreases, the behavior changes from strain-
softening to strain-hardening.
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