問題一覧
1
It is the displacement of one level relative to the level above or below.
Story Drift
2
Occurs when the center of mass and rigidity do not coincide.
Torsional Shear Stress
3
If the structure is subjected to a cycle of stresses and ____, it causes the beam to have sudden ultimate structure.
Fatigue
4
If a structure is subjected to a load for a long period of time, it will continue to deform until a sudden fracture occurs.
Creep
5
A condition that when there is already a permanent deformation, it continues to deform when a minimal load is applied beyond the elastic range.
Plasticity
6
Refers to the large amplitude vibration of an object or system when a given impulses at its natural frequency.
Resonance
7
It is measured by the Richer Scale
Magnitude of Earthquake
8
It is measured by a Seismometer
Reference Points
9
Besides the epicentre, it describes the location of the earthquake
Focal Depth
10
Identify the material property described by the following material: The composite material exhibits elastic properties in one direction different from that in the perpendicular direction.
Orthotrophic
11
Identify the material property described by the following material: The material has the same composition at every point but the elastic may not be the same in all directions.
Homogenous
12
Liquefaction is best described as
A sudden drop in the Shear Strength of a Soil
13
Which refers to the rigidity of a structure?
Reciprocal of Deflection
14
Identify the following: It is the point through which the resultant of the resistance to the applied lateral force acts.
Center of Rigidity
15
Identify the following: It is the point through which the applied seismic force acts
Center of Mass
16
Identify the following: It refers to the flexibility of a structure
Reciprocal of Stiffness
17
One in which the lateral stiffness is less than 70% of the stiffness of the story above is called
Soft Story
18
Which of the following is measured by a seismometer?
Ground Displacement
19
Identify the property of the material described by the following: The material deforms considerably even with a slight increase in stress.
Yielding
20
Identify the property of the material described by the following: The material regains its original dimensions when the load is removed.
Elasticity
21
Identify the property of the material described by the following: The material deforms in the plastic range without breaking.
Ductility
22
Which of the following refers to the flexibility of a structure?
Inverse of Stiffness
23
Identify the following: It is the point through which the resultant of the resistance to the applied lateral force acts.
Center of Rigidity
24
Identify the following: It is the distance between the center of rigidity and center of mass.
Eccentricity
25
Which material property is referred to by the following: The material has the ability to absorb energy in the plastic range
Toughness
26
Which material property is referred to by the following: The material has the ability to absorb energy in the elastic range
Resilience
27
Which material property is referred to by the following: The material has the ability to defuse the plastic range without breaking
Ductility
28
Which material property is described by the following: The composite material exhibits elastic properties in one direction different from that in the perpendicular direction.
Orthotrophic
29
Which material property is described by the following: The material has the same composition at every point but the elastic properties may not be the same in all direction.
Homogenous
30
Which material property is described by the following: The material has the same elastic properties in all directions.
Isotrophic
31
What behaviour of an engineering material is described by the following: The material returns to its original shape when the load is removed?
Elasticity
32
What behaviour of an engineering material is described by the following: The material deforms considerably even with a slight increase in stress.
Yielding
33
Which material has the same compression at any point?
Homogenous
34
What is the term which refers to the ability of a material to deform in the plastic range without breaking?
Ductility
35
What do you call the ability of a material to absorb energy in the plastic range?
Toughness
36
Which terms refers to the property of a material which makes it return to its original dimension when the load is removed?
Elasticity
37
Which terms refers to the property of a material to absorb energy in the elastic range?
Resilience
38
Which of the following term is described herein? Stressing high strength steel wires before concrete hardens.
Pre tensioning
39
Which of the following terms is described herein? Stressing high strength steel after the concrete has been cast and has attained sufficient strength.
Post tensioning
40
Which of the following terms is described herein? Loss of stress that takes place with the passage of time as concrete is held at a constant strain.
Relaxation
41
Which terms refers to the force generated by a body in motion?
Dynamic
42
What is the term for the value beyond which the stress is no longer proportional to the strain?
Proportional Limit
43
Materials which have the same composition at any point re described as
Homogenous
44
Which property of a material enables it to under large permanent strains before failure?
Ductility
45
What do you call the retarding force acting opposite a body in motion?
Kinetic Friction
46
Which structural member has the ratio of its unsupported height to its least lateral dimension of not less than 3 and is primarily to support Axia Load?
Column
47
What do you call the force which determines whether the body will be in equilibrium or will have a varying state of motion?
Resultant
48
Identify the principle used in equations related to the deformation of axially loaded materials: That the stress is proportional to the strain within the elastic region.
Hooke’s Law
49
Identify the principle used in equations related to the deformation of axially loaded materials: That in the deformation of axially loaded members, the ratio of the lateral to the longitudinal strain is constant.
Poisson’s Ratio
50
Identify the principle used in equations related to the deformation of axially loaded materials: That within the elastic range, it is the constant of proportionality that defines the linear relationship between stress and strain.
Young’s Modulus
51
Which terms refers to the force generated by a body at rest?
Static
52
What will develop if the center of mass and center of gravity of a structure does not coincide?
Torsional Shear Stress
53
A building which has a floor which is less than 70% as stiff as the floor immediately above it, or less than 80% as stiff as the average stiffness of the three floors above it.
Soft Storey
54
Refers to the lateral displacement of one level relative to the other level above or below.
Storey Drift