5- Tensile Failure Vertical creates a vertical fracture parallel with the OH 6- In Undrained (Jacketed Test): Increase in external hydrostatic load will cause A decrease in the pore An increase in the pore Poor pressure remains pressure pressure constant
5- Tensile Failure Vertical creates a vertical fracture parallel with the OH 6- In Undrained (Jacketed Test): Increase in external hydrostatic load will cause A decrease in the pore An increase in the pore Poor pressure remains pressure pressure constant
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Solve 5,6

Transcribed Image Text:Q1\ Choose the correct item (a or b or c) for each of the following statements.
a
b
1- Shear failure occur when
oz < Co + oj tan?B
o; s Co + o;tan? ß
o; 2 Co + o;tan? ß
2- The criterion for tensile failure is given by:
03 <-To
o3 2 -To
03 S To
3- Part of the strain energy dissipates in the material.
Perfectly Elastic
Elastic with Hysteresis
Permanent Deformation
4- Thrust (reverse) fault regime occurs when
OH > Oh > oy
OH > Oy > Oh
Oy > GH > oh
5- Tensile Failure Vertical creates a vertical fracture parallel with the
OH
Oy
6- In Undrained (Jacketed Test): Increase in external hydrostatic load will cause
A decrease in the pore
An increase in the pore
Poor pressure remains
pressure
pressure
constant
7- Ratio of stress to strain is not the same for all stresses in
Permanent Deformation
Elastic with Hysteresis
Perfectly Elastic
8- In Drained Loading (Jacketed Test)
Hydrostatic pressure on
sample is balanced by the
A porous medium is
embedded in a fluid
pore pressure is kept
constant
pore pressure.
9- Shear Failure Wide Breakout (swbo) occurs when
Or > Ot > Oa
Ot > 0a > Or
Oa
Or
10-
Shear Failure Low-Angle Echelon (slae) occurs when
Oa > Or > Ot
O > Oa > or
σι
Oa
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