16 - shear strength (part 1) - university of memphis for students/16 - shear strength...4/13/2015 7...
TRANSCRIPT
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1
Shear Strength
Chapter 10
Mohr’s Failure Criterion
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Normal force, N
She
ar f
orce
, T
Coulomb’s Failure Criterion
Failureplane
N
N
T
T
cohesion
friction angle
Mohr‐Coulomb Failure Criterion
cohesion
friction angle
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Mohr‐Coulomb Failure Criterion
effective stress cohesion
effective friction angle
Mohr‐Coulomb Failure Envelope
A
C
B
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Mohr‐Coulomb Failure Envelope
Failure Plane Orientation
90° ′
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Failure Plane Orientation
Direct Shear Test
Chapter 10.4
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Direct Shear Test
Direct Shear Test
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Direct Shear Test
Shear Box
Porous Stones
Load Plates
Direct Shear Test
Shear Box
Porous Stones
Load Plates
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Direct Shear Test
Vertical LVDT Horizontal LVDT
Load Cell
WeightHanger
ShearBox
Direct Shear Test
dilation
contraction
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9
Direct Shear Test
Direct Shear Test
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Direct Shear Test
tan 0.4598 24.7°
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Direct Shear Test
Load Plate
LowerShear Box
UpperShear Box
Triaxial Shear Test
Chapter 10.5
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Triaxial Shear Test
Triaxial Shear Test
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Triaxial Shear Test
Triaxial Shear Test
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Consolidated‐Drained Test
Consolidated‐Drained Test
uc =3
Start ofConsolidationPhase
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Consolidated‐Drained Test
Consolidated‐Drained Test
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Consolidated‐Drained Test
Consolidated‐Drained Test
LOOSE SANDOR NC CLAY
DENSE SANDOR OC CLAY
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Consolidated‐Drained Test
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Consolidated‐Drained Test
Example
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Example
Example
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Example