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FE Exam Formulas > FE Exam Formulas Ch. 11 > Flashcards

FE Exam Formulas Ch. 11 Flashcards

1
Q

Purpose of…

A

Static Equilibrium

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2
Q

Purpose of…

A

Static Equilibrium

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3
Q

Purpose of…

A

Static Equilibrium

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4
Q

Purpose and Variables of…

A

Truss Deflection

deltajoint=joint displacement at point of application
fi=force in member i caused by unit load
deltaL=change in length caused by external effect

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5
Q

Purpose and Variables of…

A

Frame deflection

delta=displacement at point of application of unit load
mi=moment equation in member i caused by unit load
Mi=moment equation in member i caused by loads applied to frame
Li=length of member i
Ii=moment of inertia of member i

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6
Q

Purpose and Variables of…

A

Euler’s Buckling Load

Pcr=Euler’s buckling load
sigmacr=Euler’s buckling stress
E=member modulus of leasticity
I=member moment of inertia
l=member unbraced length
r=radius of gyration
K=effective length factor
Kl=effective length of column

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7
Q

Purpose and Variables of…

A

Euler’s Buckling Stress

Pcr=Euler’s buckling load
sigmacr=Euler’s buckling stress
E=member modulus of leasticity
I=member moment of inertia
l=member unbraced length
r=radius of gyration
K=effective length factor
Kl=effective length of column

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8
Q

Purpose of…

A

Shear Capacity

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9
Q

Purpose of…

A

Ultimate Shear Force

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10
Q

Purpose of…

A

Critical Stress

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11
Q

Purpose of…

A

Design Compressive Strength

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12
Q

Purpose of…

A

Tension Force

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13
Q

Purpose of…

A

Height of Whitney Stress Block

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14
Q

Purpose of…

A

Depth of Whitney Stress Block

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15
Q

Purpose of…

A

Compressive Strength of Concrete

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16
Q

Purpose of…

A

Moment Capacity

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17
Q

Purpose of…

A

Nominal Moment Capacity

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18
Q

Purpose of…

A

Effective Depth

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19
Q

Purpose and Variables of…

A

Total Nominal Shear Capacity

Vc=shear strength of concrete
Vs=shear strength of steel

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20
Q

Purpose of…

A

Shear Strength of Concrete

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21
Q

Purpose of…

A

Shear Strength of Steel

22
Q

Purpose and Variables of…

A

No Stirrups for Shear Demand

23
Q

Purpose and Variables of…

A

Stirrups for Shear Demand

24
Q

Purpose of…

A

Design Column Strength

25
Q

Purpose of…

A

General Design Shear Capacity

26
Q

Purpose of…

A

Resulting Bending Moment for Each Critical Section

27
Q

D

A

Dead Loads

28
Q

E

A

Earthquake Loads

29
Q

L

A

Live Loads (floor)

30
Q

Lr

A

Live Loads (roof)

31
Q

R

A

Rain Load

32
Q

S

A

Snow Load

33
Q

W

A

Wind Load

34
Q

Load that is permanent in magnitude and location.

A

Dead Load

35
Q

Examples of this load include asphalt on a bridge deck, a tile floor, and light fixtures.

A

Dead Load

36
Q

Load that varies in magnitude and location to account for the use of the structure by people, vehicles, and other temporary loads.

A

Live Load

37
Q

Examples of this load include furniture, appliances, and vehicular traffic.

A

Live Load

38
Q

Load that varies in magnitude, location, and geographical location.

A

Environmental Load

39
Q

Examples of this load include wind, rain, snow, and seismic loads.

A

Environmental Load

40
Q

Purpose and Variables of…

(r+f)=3n

A

Determine if a System is Determinate

r=external reaction forces
f=internal forces
n=rigid members in the system

41
Q

Purpose and Variables of…

ie=(r+f)-3n

A

Degree of Indeterminancy

r=external reaction forces
f=internal forces
n=rigid members in the system

42
Q

How can a system determined to be stable?

A

It cannot be free to move in any direction

43
Q

What types of reaction(s) does a roller support?

A

1 Vertical

44
Q

What types of reaction(s) does a Pin or Hinge support?

A

1 Vertical
1 Horizontal

45
Q

What types of reaction(s) does a fixed connection support?

A

1 Vertical
1 Horizontal
1 Moment

46
Q

What type of support is this?

A

Roller

47
Q

What type of support is this?

A

Pin or Hinge

48
Q

What type of support is this?

A

Fixed Connection

49
Q

Purpose and Variables of…

3m+r=3j+c

A

Determine if a System is Determinate

r=external reaction forces
m=rigid members in system
j=joints in the system
c=internal condition equations

50
Q

How many equilibrium equations does a frame with an internal hinge provide?

A

1

FE Exam Formulas (13 decks)

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