DESIGN

Question 1

Center of mass and center of rigidity does not coincide

Answer 1

Torsional Shear Stress

Question 2

Building which has a floor which is less than 70% as stiff as the floor above it, or less than 80% as the average stiffness of the three floors.

Answer 2

soft storey

Question 3

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

Answer 3

storey drift

Question 4

The point which the resultant of the resistance to the applied lateral force acts

Answer 4

center of rigidity

Question 5

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

Answer 5

center of mass

Question 6

Refers to the flexibility of a structure

Answer 6

reciprocal of stifness

Question 7

material condition that causes it to deform permanently even due to a slight increase of stress

Answer 7

Yielding

Question 8

Fracture caused when a material is subjected to repeated cycles of stress or strain

Answer 8

fatigue

Question 9

When a material is overloaded over a long period, it causes to deform continuously until fracture

Answer 9

creep

Question 10

When the structure’s period earthquake period

Answer 10

resonance

Question 11

it is nothing more than a column driven into the soil to support a structure transferring building loads to a deeper and stronger layer of soil or rock

Answer 11

Pile

Question 12

Applied seismic force acts

Answer 12

Center of mass

Question 13

Cross-section is same at any location across the long axis of the beam

Answer 13

Prismatic

Question 14

Force needed to stretch or compress

Answer 14

Spring constant

Question 15

Perpendicular distance between incident and emergent ray

Answer 15

Lateral displacement

Question 16

Where maximum amplitude oscillation occurs

Answer 16

Resonance

Question 17

Vertical members bearing horizontal force are located on another axis

Answer 17

Out of plane offset

Question 18

Aimed to account for any unforeseen factor that may attribute to the torsional response

Answer 18

Accidental Eccentricity

Question 19

The number of waves that pass through a point in one second

Answer 19

Frequency

Question 20

Amount of time it takes on wave to cycle to pass the given point

Answer 20

Period

Question 21

Sudden drop of shear strength

Answer 21

Liquefaction

Question 22

Instrument that measures 2 record of details of earthquake (duration and force)

Answer 22

Seismograph

Question 23

Record produced by seismograph

Answer 23

Seismogram

Question 24

Measures the energy released at the source of the earthquake

Answer 24

Magnitude

Question 25

Helps to disperse the building weight from the roof

Answer 25

Bearing walls

Question 26

Refers to the rigidity of a structure

Answer 26

Reciprocal of Deflection

Question 27

A fracture plane in the earth’s crust which relative displacement occurs

Answer 27

Fault line

Question 28

Angle of formation referenced from the horizontal plane

Answer 28

Dip angle

Question 29

Ability of material to deform in the plastic range without breaking

Answer 29

Ductility

Question 30

A point of structure where heavy winds and seismic activity acts

Answer 30

Shearwall

Question 31

A point of structure where the resultant vertical force acts

Answer 31

Center of mass

Question 32

A point of structure where the resultant lateral force acts

Answer 32

Center of rigidity

Question 33

Distance between center of mass and center of rigidity

Answer 33

eccentricity

Question 34

Ability of a material to deform or hammered or pressed without breaking

Answer 34

Malleability

Question 35

Measured by seismometer

Answer 35

Ground Displacement

Question 36

Measure the strength of shaking produced at a certain location (damage)

Answer 36

Intensity

Question 37

Depth of focus

Answer 37

Focal Depth

Question 38

A point where the earthquake begins

Answer 38

Focus

Question 39

A point on earth’s surface directly above the hypercenter/focus

Answer 39

Epicenter

Question 40

The point where an earthquake or an underground explosion originates

Answer 40

Hypocenter

Question 41

Branch of science concerned with earthquakes

Answer 41

Seismology

Question 42

Have the same material properties in all directions every given point

Answer 42

Isotropic Material

Question 43

Material composition is the same but mechanical properties are different

Answer 43

Orthotropic material

Question 44

Materials of uniform composition as well as mechanical properties

Answer 44

Homogenous material

Question 45

Limit maximum stress it can withstand before permanently deformed

Answer 45

Elastic material

Question 46

Deformation of a structural component due to load

Answer 46

Buckling

Question 47

A stress where a material begins to deform plastically

Answer 47

Yielding

Question 48

Promote the metal harder and stronger due to plastic deformation

Answer 48

Strain Hardening

Question 49

Return to its initial shape and size after removing the force

Answer 49

Elasticity

Question 50

Measure of a tensile strength of concrete beams or slabs

Answer 50

Rupture

Question 51

Permanent deformation without rupture

Answer 51

Plasticity

Question 52

Amount of force required to displaced a building by certain amount

Answer 52

Stiffness

Question 53

Ability of a material to absorb energy in the plastic range without breaking

Answer 53

toughness

Question 54

Ability of a material to absorb energy in the elastic range

Answer 54

Resilience

Question 55

4 or 5 times its mean dimension

Answer 55

elongation

Question 56

Parallel Springs

Answer 56

K=K1+K2

Question 57

Series Springs

Answer 57

1/K=1/K1+1/K2