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BOARD EXAM > PSAD > Flashcards

PSAD Flashcards

ibasic natin to

1
Q

The material composition is the same but its mechanical properties are different in every direction.

A

Orthotropic

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2
Q

Refers to the tendency of solid materials to return to their original shape after forces are applied on them.

A

Elasticity

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3
Q

Refers to the stress at which material begins to deform plastically.

A

Yielding

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4
Q

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

A

Toughness

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5
Q

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

A

Resilience

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6
Q

Refers to the ability of a material to deform in plastic range without breaking.

A

Ductility

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7
Q

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

A

Center of Rigidity

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8
Q

A point on a structure where the resultant vertical force acts.

A

Center of Mass

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9
Q

Distance between center of mass and center of rigidity.

A

Eccentricity

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10
Q

Which of the following can be measured by a seismometer?

A. Intensity
B. Ground Displacement
C. Focal Depth
D. Reference Points

A

B. Ground Displacement

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11
Q

Which if the following refers to the flexibility of of a structural system.

A. Composite of Stiffness
B. Inverse of Stiffness
C. Rigidity
D. Static Flexibility

A

B. Inverse of Stiffness

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12
Q

The stress point where a material will have appreciable deform when small amount of stress is experienced.

A

Yielding

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13
Q

Greatest stress the can be be applied to an elastic body without causing permanent deformation.

A

Elastic Limit

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14
Q

What will develop if the center of mass and center of rigidity of a structure does not coincide?

A. In-plane offset
B. Flexural Stress
C. Out-of-plane offset
D. Torsional Shear Stress

A

D. Torsional Shear Stress

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15
Q

A building which has a floor which is less than 70% as stiff as the other floor immediately above it, or less than 80% stiff as the average stiffness of the threes floors below it.

A

Soft Story

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16
Q

Refers to the lateral displacement of one level relative to the other level above or below.

A

Story Drift

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17
Q

The point on a structure through which the applied seismic force acts.

A

Center of Mass

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18
Q

Refers to the rigidity of the structure.

A

Reciprocal of Deflection

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19
Q

Which best describes liquefaction?

A. Decrease in pore water pressure
B. Increase in effective stress
C. Sudden drop of shear strength
D. Increase in bearing capacity

A

C. Sudden drop of shear strength

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20
Q

Formula for equivalent stiffness in parallel.

A

Keq = K_1 + K_2

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21
Q

Allowable Stresses for grade of wood problem: What is the formula for allowable value of y?

A

May 2015 - Page 104 - Part 3

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22
Q

What is the formula for minimum thickness of base plate in concrete pedestal?

A

t = sqrt[3fpLb^2 / (0.75Fy)]

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23
Q

What is the formula for cracking moment?

A

Mcr = fr*Ina / yt

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24
Q

Lateral Ties Seismic Provisions Problem:

Volumetric ration of spiral or hoop reinforcement shall not be less than:

A

May 2015 - Page 88 - Item 71

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25
Q

Lateral Ties Seismic Provisions Problem:

Transverse reinforcement shall be spaced at distance not exceeding…?

A

a) One-quarter of minimum dimension
b) Six times the diameter of longitudinal reinforcement
c) May 2015 - Page 88 - Item 71

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26
Q

Purlins Design Problem:

How to solve the maximum spacing of purlins?

A

May 2016 - Page 310 - Item 52

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27
Q

Open cylindrical tank given with Mohr’s circle problem:

How to solve the magnitude of internal pressure?

A

November 2016 - Page 402 - Item 22

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28
Q

Allowable Bending Stress Provision:

What is the formula for Lc?

A

Alam mo na yun

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29
Q

Allowable Bending Stress Provision:

What is the formula of Fb for non-compact laterally supported beam?

A

Alam mo na yun!!

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30
Q

Allowable Bending Stress Provision:

What is the formula for Minimum and Maximum Value of L/rt?

A

Alam mo na yun!!

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31
Q

Allowable Bending Stress Provision:

What is the formula for Fb given L/rt is in between of the minimum and maximum value?

A

Alam mo na yun!

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32
Q

Allowable Bending Stress Provision:

What is the formula for Fb given L/rt is greater than the maximum value?

A

Alam mo na yun!

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33
Q

Allowable Bending Stress Provision:

What is the formula for Fb for all values of L/rt?

A

Alam mo na yun!

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34
Q

Lateral ties design provisions for torsion problem:

What is the formula for the additional area of longitudinal reinforcement?

A

Imemorize mo boi!!

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35
Q

Allowable Compressive Stress Provision:

What is the formula for Cc?

A

Alam mo na yun!

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36
Q

Allowable Compressive Stress Provision:

What is the formula for Fa given kL/r less than Cc?

A

Alam mo na yun!

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37
Q

Allowable Compressive Stress Provision:

What is the formula for Fa given kL/r greater than Cc?

A

Alam mo na yun!

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38
Q

Pile lifted by two cables problem:

At what distance from pile ends must each cable be placed so that the maximum moment is the least possible value?

A

May 2017 - Volume 4 - Page 512 - Item 22

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39
Q

What are the formula for web yielding stress; and maximum allowable web stress if not given?

A

November 2018 - Page 817 - Page 42

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40
Q

Plastic Analysis Problem:

What is the maximum load that it can carry based on design flexural strength of cantilever beam?

A

November 2018 - Page 819 - Item 46

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41
Q

Double Reinforced Concrete Problem:

How to solve for moment capacity only given balanced steel ratio?

A

November 2018 - Page 823 - Item 61

42
Q

A property of a material which it has the same composition at every point but the elastic property may not be the same in all directions.

A

Isotropic

43
Q

A property of a material that has the same elastic properties in all directions?

A

Homogeneous

44
Q

A property of a material in which the composition material exhibits elastic properties in one direction from that in perpendicular direction.

A

Orthotropic

45
Q

Which if the following best describes the location of an earthquake besides epicenter?

A. Fault Line
B. Dip Angle
C. Ground Displacement
D. Focal Depth

A

D. Focal Depth

46
Q

What does seismometer measures?

A. Actual displacement
B. Composition of ground motion
C. Reference point
D. Focal depth

A

B. Composition of ground motion

47
Q

A Ritcher Scale measures ______ of an earthquake.

A. Magnitude
B. Intensity
C. Drift
D. Amplitude

A

A. Magnitude

48
Q

Formula for modulus of elasticity of concrete between 1500 and 2500 kg per cubic meter?

A

Ec = wc^1.5 * 0.043 * sqrt(fc’)

49
Q

Formula for modulus of elasticity of normal-weight concrete?

A

Ec = 4700sqrt(fc’)

50
Q

Formula for modulus of rupture of normal-weight concrete?

A

fr = 0.063 * lambda * sqrt(fc’)

51
Q

Formula for modulus of rupture of normal-weight concrete given split-tensile test?

A

fr = fct / 0.85sqrt(fc’)

52
Q

Formula of total float?

A

Late Start - Early Start

53
Q

Formula of Free Float?

A

Early Start - Early Finish

54
Q

Formula of Interfering Float?

A

Total Float - Free Float

55
Q

Structure Period Formula?

A

T = Ct * hn^(3/4)

56
Q

Formula for Total Design Base Shear?

A

V = CvIW/RT

57
Q

Max value of total design base shear?

A

V = 2.5CaIW/R

58
Q

Min value of total design base shear?

A

V = 0.11CaIW

59
Q

Min value for total design base shear for Seismic Zone 4

A

V = 0.8ZNvIW/R

60
Q

Total Design Base Shear using Simplified Static?

A

V = 3CaW/R

61
Q

Formula for concentrated load Ft at the top of the building?

A

Ft = 0.07TV

62
Q

Formula of length (s) catenary cable?

A

Alam mo na yun!!

63
Q

Formula of tensile force at any point of a catenary cable?

A

Alam mo na yun!!

64
Q

Formula of vertical distance of the lowest point to any point of the cable, y?

A

Alam mo nayun!!

65
Q

Formula of Belt Friction?

A

Alam mo nayun!

66
Q

What is derivative of acceleration?

A

Jerk

67
Q

Formula for coefficient of restitution?

A

Alam mo na yun!

68
Q

Formula for spacing of hoop steel reinforcement?

A

Alam mo na yun!

69
Q

Formula for maximum shear stress of a helical spring?

A

Alam mo na yun!

70
Q

Formula for maximum shear stress of a helical spring using A.M. Wahl’s Formula?

A

Alam mo nayun

71
Q

Formula for deflection of a helical spring?

A

Alam mo na yun

72
Q

Formula of Shear flow?

A

Alam na dapat

73
Q

Formula for pitch of shear connectors in built-up members?

A

Alam na dapat

74
Q

Formula of Flexural Stress using Modulus of Elasticity?

A

Alam na dapat

75
Q

Simple Beam:

Formula of max deflection of midspan from concentrated load?

A

Alam na dapat

76
Q

Simple Beam

Formula of max deflection of midspan from concentrated load at any point on the beam?

A

Alam na dapat

77
Q

Simple Beam: Moment applied at the right.

Formula for max deflection and deflection at midspan?

A

Aralin mo!

78
Q

Cantilever Beam:

Formula for deflection at free end?

A

Alam na dapaat

79
Q

Cantilever Beam:

Formula for deflection at any point?

A

Alam na dapat

80
Q

Fully restrained Beam:

Formula for maximum positive moment?

A

Aralin mo!

81
Q

Fully restrained Beam:

Formula for maximum maximum deflection?

A

Aralin mo!

82
Q

Three-Moment Equation:

Formula for 6Aa/L for concentrated Load?

A

Alam na dapat

83
Q

Approximate Value of r for concrete circular section?

A

0.25d

84
Q

Approximate Value of r for concrete rectangular section?

A

0.3h

85
Q

Three-Moment Equation:

Formula for 6Aa/L for applied moment?

A

Aralin mo!

86
Q

Moment-Distribution Method:

Distribution Factor for end roller/hinge?

A

1

87
Q

Formula for value and location of max moment for simple beam propped at third points with uniform load?

A

Alam na dapat!

88
Q

Formula for max moment and deflection for simple beam with concentrated load at third points?

A

Alam na dapat!!

89
Q

Formula for max moment and deflection for simple beam with concentrated load at quarter points?

A

Alam na dapat

90
Q

Plastic Shape Factor?

A

Zx/Sx

91
Q

Concrete:

Provisions for minimum spacing of lateral ties at all conditions?

A

Alam na dapat!

92
Q

Concrete:

Formula for volumetric spiral reinforcement?

A

Alam na dapat!

93
Q

Concrete:

Bresler’s Reciprocal Equation?

A

Alam na dapat

94
Q

Concrete:

Formula for Vc for two-way shear?

A

Alam na dapat!!

95
Q

Concrete:

Formula for Vc for one-way shear?

A

Alam na dapat!

96
Q

Concrete:

Formula for effective flange width for slabs?

A

Alam na dapat?

97
Q

Concrete:

Formula for equivalent column section of W-Beam on a base plate?

A

Alam na dapat

98
Q

Concrete:

Minimum Gross Area of Column?

A

Alam na dapat

99
Q

Concrete:

Minimum main bar spacing of column?

A

Alam na dapat

100
Q

Concrete:

Minimum lateral center-to-center spacing?

A

Alam na dapat

101
Q

Concrete:

Minimum spiral percentage provision?

A

Alam na dapat

BOARD EXAM (5 decks)

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