Shear Strength (Part A) Flashcards

1
Q

Shear strength of a soil is defined as maximum intensity of…..developed on a ruptured surface.

(2 words)

A

Shear stress

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2
Q

The two parameters of shear strength are…. And ….

A

Angle of friction and cohesion

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3
Q

The failure envelope is termed the ….. failure theory

(2 words)

A

Mohr-Coulomb

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4
Q

In soils, such as sands and gravels, the value of…. is zero

(1 word)

A

Cohesion

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5
Q

In undrained saturated silts and clays, the measured value of…. is normally zero

A

Angle of friction

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6
Q

The subscript u refers to….conditions

A

Undrained

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7
Q

The parameters for cohesion and angle of friction are referred to…stresses

(1 word)

A

Effective

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8
Q

In the shear box, the load hanger applies the….stress and the screw jack is used to apply the…stress

A

Normal, shear

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9
Q

In the triaxial test, the cell pressure provides the….stress and the screw jack increases the……stress

(2 words, 2 words)

A

Minor principal, major principal

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10
Q

The difference between the vertical and lateral stresses is called the….. stress

(1 word)

A

Deviator

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11
Q

The Deviator stress is plotted as the….of the Mohr’s circle

A

Diameter

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12
Q

The three main types of triaxial test are……..

(1 word, 2 words, 1 word)

A

Undrained
Consolidated-undrained
Drained

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13
Q

Which type of triaxial test is appropriate for long term slope stability?

A

Drained

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14
Q

Which type of triaxial test is appropriate for bearing capacity of a saturated clay?

A

Undrained

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15
Q

Which type of triaxial test is appropriate for the stability of an earth damn after a rapid reduction in stored water level?

A

Consolidated-undrained

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