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EARTHQUAKE > Module 2 > Flashcards

Module 2 Flashcards

1
Q

is used to transfer the lateral forces acting on the structure to the foundation

A

lateral force-resisting system

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2
Q

are used to provide a continuous load path

A

vertical and horizontal

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3
Q

consists of frames (beams and columns), shear walls, or a combination of both (dual system).

A

structural framing systems

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4
Q

connected at floor level by diaphrams

A

structural framing systems

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5
Q

bearing wall systems has ____ to support most of the gravity load and resist all lateral forces

A

shear walls

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6
Q

bearing wall systems shear walls receive the shear force from the floor diaphragms and transfer the lateral force to the _____

A

foundation

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7
Q

bearing wall systems lacks ____

A

redundancy

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8
Q

bearing wall systems has a comparatively _____ of the response modification coefficient R

A

low value

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9
Q

bearing wall systems consists of vertical load carrying walls located along ____ and at ____ as necessary

A

exterior wall lines
interior locations

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10
Q

common for wood-frame buildings, concrete tilt-up buildings, and masonry walls buildings

A

bearing wall systems

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11
Q

provides support for both gravity and lateral laods

A

moment-resisting frame systems

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12
Q

are detailed to guarantee the large inelastic displacements without compromising the structural integrity of the frame

A

special reinforced concrete of moment-resisting frames

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13
Q

moment-resisting frame systems has no diagonal bracing or ____

A

shear walls

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14
Q

in moment-resisting frame, ____ allow for architectural design freedom

A

open bays

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15
Q

no restrictions on height

A

moment-resisting frame systems

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16
Q

has considerable flexibility and high inelastic deformation capacity

A

moment-resisting frame systems

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17
Q

moment-resisting frame systems highly ___

A

redundant

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18
Q

moment-resisting frame systems with ___ of the response modification coefficient R

A

high value

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19
Q

moment-resisting frame requires ___

A

strong-column or weak-beam design

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20
Q

consists of two independent systems, one to provide support for gravity loads, the other to resist lateral loads

A

building frame systems with shear wall

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21
Q

the ___ resist all lateral loads, and a column and beam frame support most gravity loads

A

shear walls

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22
Q

in building frame systems with shear wall, ________ is not required since gravity frame does not contribute to lateral resistance

A

special ductile detailing

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23
Q

gravity and lateral-force systems are ____

A

independent

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24
Q

building frame systems with shear wall has ____ of the response modification coeff. R

A

high value

25
Q

shear walls must ____ from the foundation to the roof without offsets or extensive openings

A

extend

26
Q

No seismic design

A

building frame systems with braced frames

27
Q

consists of a braced frame that resists lateral loads by truss action and an independent moment frame that supports most gravity loads

A

building frame systems with braced frames

28
Q

it has more ductile and provides more architectural design than a shear wall

A

building frame systems with braced frames

29
Q

types of bldg. frame systems with braced frames

A
  • special steel concentrically braced frames
  • ordinary steel concentrically braced frames
  • buckling-restrained braced frames
  • steel eccentrically braced frames
30
Q

in special steel concentrically braced frames, the ____ of all the frame members, beams, columns, and braces are coincident

A

centerline

31
Q

in special steel concentrically braced frames, ______ are resisted by axial forces in the members

A

applied lateral loads

32
Q

in special steel concentrically braced frames, ______ are placed on the slenderness and compactness of the brace.

A

limits

33
Q

in special steel concentrically braced frames, ______ must be designed to resist the yield strength of the brace.

A

brace connections

34
Q

in ordinary steel concentrically braced frames, similar to special steel concentrically braced frame but with ______ of the response modification coeff. R

A

lower value

35
Q

remains elastic under a seismic excitation

A

ordinary steel concentrically braced frames

36
Q

does not require the special seismic detailing

A

ordinary steel concentrically braced frames

37
Q

in ordinary steel concentrically braced frames, _____ is also permitted for ordinary steel concentrically braced frames but not for special steel concentrically braced frames

A

K-bracing

38
Q

a special type of concentrically braced frames

A

buckling-restrained braced frames

39
Q

in buckling-restrained braced frames, _____ are used that consist of a steel core surrounded by a casing of steel and mortar to prevent the core from buckling

A

special braces

40
Q

more ductile than a special steel concentrically braced frame

A

buckling-restrained braced frames

41
Q

buckling-restrained braced frames and steel eccentrically braced frames has a _____ of the response modification coeff. R than a special steel concentrically braced frame

A

higher value

42
Q

one end of the brace is connected to the frame

A

steel eccentrically braced frames

43
Q

link acts as a structural fuse by providing inelastic behavior

A

steel eccentrically braced frames

44
Q

provides lateral stiffness

A

steel eccentrically braced frames

45
Q

provide architectural design freedom design

A

steel eccentrically braced frames

46
Q

less damage to architectural and nonstructural elements during earthquake

A

steel eccentrically braced frames

47
Q

more expensive than a special steel

A

steel eccentrically braced frames

48
Q

has a secondary lateral support system coupled with the primary non-gravity-load-bearing lateral support system

A

dual systems

49
Q

in dual systems, the moment-resisting frame must provide resistance to at ____ of the seismic forces.

A

least 25%

50
Q

it is basically a dual system

A

shear wall-frame interactive system

51
Q

in shear wall-frame interactive system, ____ and ____ are designed to resist lateral forces in proportion to their rigidities

A

shear walls and frames

52
Q

use in zones with low seismicity

A

shear wall-frame interactive system

53
Q

in shear wall-frame interactive system, _____ is not required

A

special seismic detailing

54
Q

consists of a structure supported on columns cantilevering from their base

A

cantilever column systems

55
Q

cantilever column systems lacks ____

A

redundancy

56
Q

excessive flexibility of the system leads to excessive drift and P-delta instability

A

cantilever column systems

57
Q

cantilever column systems has ____ for the response modification coeff. R

A

low value

58
Q
A

EARTHQUAKE (2 decks)

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