Psad Flashcards

1
Q

It is the process of bringing earthwork to the desired shape and elevation

A

Grading

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2
Q

It is the process of giving a chiral soils and off abrasive resistance and shear strength to accommodate traffic or design loads

A

Soil stabilization

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3
Q

It is the process of bringing each roadway layer to its final grade

A

Trimmings

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4
Q

It is the process of increasing the density of a soil by mechanically forcing the soil particles closer together there by expelling the air from the void spaces in the soil

A

Compaction

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5
Q

It is the process of increasing the density of a cohesive soil from the expulsion of water from the soil void spaces

A

Consolidation

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6
Q

Complete or partial dismantling of a building or structure by pre-planned & control methods or procedures

A

Demolition

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7
Q

The action of flattening poured concrete into a smooth flat layer prior to finishing the surface

A

Screeding

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8
Q

It is the bringing of a concrete surface to true grade with enough mortar to produce the desired finish

A

Leveling

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9
Q

It is the measure of the materials ability to resist indentation or penetration

A

Hardness

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10
Q

It is the ability of a material to deform in the plastic range without breakage or or the ability to undergo considerable plastic deformation under tensile load before actual rapture

A

Ductility

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11
Q

It is the ability of a material to absorb energy before fracture takes place

A

Toughness

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12
Q

It is the ability of a material to recover its shape and size after deformation

A

Resilience

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13
Q

When material has to support a load for a long period of time what causes it to continue to deform until a sudden fracture occurs?

A

Creep

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14
Q

When a material is subjected to repeated cycles of stress or strain what causes its structure to breakdown ultimately leading to fracture

A

Fatigue

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15
Q

It is the point where the object suffers note or by the effect of the gravitational force acted upon it

A

Center of gravity

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16
Q

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

A

Center of rigidity

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17
Q

It is point through which the applied seismic force acts

A

Center of mass

18
Q

It is the distance between the center of rigidity and center of mass

A

Eccentricity

19
Q

It is the displacement of 1 level relative to the level above or below

A

Story drift

20
Q

Lateral displacement of the story relative to the base

A

Story displacement

21
Q

A measure of energy released in an earthquake

A

Magnitude

22
Q

A measure of strength of shaking during earthquake

A

Intensity

23
Q

It is the point deep below the earth’s surface where the earthquake originated

A

Hypocenter

24
Q

It is the point on earth’s surface directly above the focus

A

Epicenter

25
Q

A device used to anchor tendons on prestressed concrete members

A

Anchorage

26
Q

It is a branch of mechanics which studies the effects and distributions of forces of rigid bodies which are and remain at rest

A

Statics

27
Q

If two forces are in equilibrium they are ___________

A

Equal, collinear, and oppositely directed

28
Q

A contact resistance by one body when the second body moves or tends to move past the first body

A

Friction

29
Q

The friction force always acts__________

A

Opposite to the motion or to the tendency to move

30
Q

The branch of mechanics that deals with bodies in motion

A

Dynamics

31
Q

The term is used to define the motion of a particle or body without consideration of the forces causing the motion

A

Kinematics

32
Q

The branch of mechanics that relates the force acting on the body to its mass and acceleration

A

Kinetics

33
Q

A body at rest will remain to be at rest or in motion will be remain in motion along a straight path unless acted upon by an unbalanced force

A

Newton first law of motion

34
Q

A particle acted upon by an unbalanced force system has an acceleration in line with and directly proportional to the resultant of the four system and inversely proportional to its mass

A

Newton’s second law of motion

35
Q

In every action there is always an equal and opposite reaction

A

Newton’s third law of motion

36
Q

The motion of a rigid body in which a straight line passing through any two of its particle always remain to be parallel to its initial position

A

Translation

37
Q

The motion of a rigid body in which the particles move in circular paths with their centers on a fixed straight line called the axis of rotation

A

Rotation

38
Q

The motion of a rigid body in which all particles in the body remain at a constant distance from a fixed reference plane

A

Plane motion

39
Q

Mixture of sand, gravels and other aggregates and held together in a rock line mass with paste of cement and water

A

Concrete

40
Q

This test is used to test the workability of the concrete

A

Slump test

41
Q

It is performed by submerging the specimen underwater this is done in order to prevent moisture loss

A

Curing