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CELE LOOKSFAM > PSAD Terminologies > Flashcards

PSAD Terminologies Flashcards

1
Q

Stress at failure

a. Proportional Limit
b. Yield Strength
c. Ultimate Strength
d. Rupture Strength

A

d. Rupture Strength

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2
Q

Highest Ordinate in stress-strain diagram

A

Ultimate Strength

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3
Q

An appreciable elongation or yielding of the material without any corresponding increase of load.

A

Yield Strength

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4
Q

Displacement of one level relative to the level above or below.

A

Story Drift

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5
Q

Occurs when center of mass and rigidity do not coincide.

A

Torsional Shear Stress

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6
Q

If the structure is subjected to a cycle of stresses and ________, it causes the beam to have sudden ultimate structure.

A

Fatigue

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7
Q

If the structure is subjected to a load for a long period of time, it will continue to deform until a sudden fracture occurs.

A

Creep

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8
Q

A condition that when there is already a permanent deformation, it continues to deform when a minimal load is applied beyond the elastic range.

a. Resilience
b. Buckling
c. Plasticity
d. Elasticity

A

c. Plasticity

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9
Q

Refers to the large amplitude vibration of an object or system when given impulses at its natural frequency.

A

Resonance

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10
Q

Measured by Richter scale

A

Magnitude of Earthquake

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11
Q

Measured by seismometer

A

Actual displacement

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12
Q

Besides the epicenter, it describes the location of the earthquake

A

Focal depth

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13
Q

The composite material exhibits elastic properties in one direction different from that in the perpendicular direction.

A

Orthotropic

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14
Q

The material has the same composition at every point but the elastic may not be the same in all direction.

A

Homogeneous

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15
Q

Liquefication is best described as

a. A sudden drop in the shear strength of a soil
b. A decrease in pore water pressure of a soil
c. An increase in bearing capacity of a soil
d. An increase in effective stress of a soil

A

a. A sudden drop in the shear strength of a soil

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16
Q

Refers to the rigidity of a structure

a. Deflection
b. Reciprocal of Deflection
c. Product of Stiffness and Deflection
d. Reciprocal of Stiffness

A

b. Reciprocal of Deflection

17
Q

It is the point through which the resultant of the resistance to the applied lateral force acts.

a. Center of Mass
b. Center of Gravity
c. Center of Rigidity
d. In-Plane Offset

A

c. Center of Rigidity

18
Q

The point through which the applied seismic force acts.

a. Center of Mass
b. Center of Gravity
c. Center of Rigidity
d. In-Plane Offset

A

a. Center of Mass

19
Q

Refers to the flexibility of a structure.

a. Deflection
b. Reciprocal of Deflection
c. Product of Stiffness and Deflection
d. Reciprocal of Stiffness

A

d. Reciprocal of Stiffness

20
Q

One in which the lateral stiffness is less than 70% of the stiffness of the story above is called

a. Story Displacement
b. Soft Story
c. Lateral Drift
d. Story Drift

A

b. Soft Story

21
Q

The material deforms considerably even with a slight increase in stress

a. Yielding
b. Strain Hardening
c. Fracture
d. Breaking

A

a. Yielding

22
Q

The material regains its original dimensions when the load is removed.

a. Resilience
b. Buckling
c. Plasticity
d. Elasticity

A

d. Elasticity

23
Q

The material deforms in the plastic range without breaking.

a. Elongation
b. Ductility
c. Resilience
d. Stiffness

A

b. Ductility

24
Q

The distance between the center of rigidity and center of mass.

a. Deflection
b. Drift
c. Pitch
d. Eccentricity

A

d. Eccentricity

25
Q

The material has the ability to absorb energy in the plastic range.

a. Toughness
b. Brittleness
c. Stiffness
d. Resilience

A

a. Toughness

26
Q

The material has the ability to defuse the plastic range without breaking.

a. Toughness
b. Ductility
c. Stiffness
d. Resilience

A

b. Ductility

27
Q

The material has the ability to absorb energy in the elastic range.

a. Toughness
b. Brittleness
c. Stiffness
d. Resilience

A

d. Resilience

CELE LOOKSFAM (10 decks)

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