Deck 36: Seismic Considerations

Question 1

The forces that move long walls or floors and distort the structure by racking is called __________.

A) swaying
B) distortion
C) shear forces
D) displacement

Answer 1

C

Question 2

_____________________ involves the placement of a grid of plastic coated cables in the concrete forms prior to concrete placement.

A) liquefaction
B) post tensioning
C) seismic activity
D) shear wall

Answer 2

B

Question 3

Post tensioning is different from prestressed concrete beams used in highway bridges.

Answer 3

False

Question 4

To add even more strength to the slab on the Urban Courts project, a process called _________________ is used in addition to using rebar.

A) post tensioning
B) liquefaction
C) racking
D) pre-tensioning

Question 5

During earthquakes some soils are subject to _____________.

A) solidification
B) liquefaction
C) semi-liquefaction
D) loosening

Question 6

Loads that change or move around the building, such as people and furniture are ____________ loads.

A) dead loads
B) dynamic loads
C) live loads
D) seismic loads

Question 7

Any building in earthquake country needs to be braced to resist __________.

A) Shear forces
B) Loading
C) compression
D) snow storms

Question 8

Urban Courts is a four story wood frame building.

Question 9

The _____________ report provides information on soil types, the strength characteristics of the various soils present, landslide potential, and any other geologically related hazards.

A) technical
B) shear wall schedule
C) geotechnical
D) geological

Question 10

The ground waves can also tilt the building as well cause the building to lift off the foundation

Question 11

Wood is a very unforgiving material in earthquakes.

Question 12

The report also provides the structural engineer the site and soil information needed to ________________.

A) design the foundation
B) decide the type of concrete
C) select the studs and plates
D) decide on shear walls

Question 13

Earthquakes are one of the three types of loads that buildings must support by providing load paths through the structure and back down to the ground.

Question 14

During a seismic event several types of energy waves are introduced into the structure.

Question 15

Loads of the weight of the building materials are _____________load.

A) dead loads
B) dynamic loads
C) live loads
D) seismic loads

Question 16

As steel has high tensile strength, steel rebar is added to the tension side of the slab, usually the bottom.

Question 17

Many of the methods used to resist earthquake damage will not prevent damage from strong winds.

Question 18

Loads that produce varying amounts of force, such as snow, wind, or earthquakes are said to be __________ loads.

A) dead loads
B) dynamic loads
C) live loads
D) equipment load

Question 19

The foundation design does not address specific site soil condition for seismic activity.

Question 20

Structures built on rock perform better than those built on soils.

Question 21

The standard shear resisting method used for walls is to apply structural sheathing such as ____________, nailed to the studs and plates in a prescribed manner.

A) Wood
B) Plywood
C) steel
D) iron

Question 22

In areas with little seismic activity it is not customary t for construction drawings to specify nailing schedules, but in high seismic areas nailing is typically specified by the ___________engineer.

A) Soil engineer
B) architect
C) structural engineer
D) seismic expert

Question 23

An uninterrupted expanse of floor or roof ______________ creates a strong horizontal shear-resisting diaphragm that prevents the building from twisting and racking horizontally and share its shear strength with walls below.

A) Sheeting
B) Concrete
C) panels
D) tiles

Question 24

Schedules use different shapes, such as _______ ______ to denote a reference to different schedules as in architectural drawings.

A)
B)
C)
D)

Question 25

_________ is a very forgiving material in earthquakes; it tends to bend and return to its original shape.

A) Wood
B) Concrete
C) plywood
D) steel

Question 26

The information on sill plate thickness, nailing schedules, and whether structural panels are required on one or both faces of the wall are established in _____________schedule.

A) Geotechnical
B) Shear wall
C) general floor framing
D) construction

Question 27

Once the concrete is placed, it is allowed to partially cure approximately for _______days.

A) 7
B) 8
C) 10
D) 11

Question 28

__________________ resist overturning and shear forces.

A) OSB
B) HDUs
C) plywood
D) drag collectors

Question 29

Geotechnical report is prepared by a ______________.

A) An architect
B) Consultant
C) structural engineer
D) Soil engineer

Question 30

___________are manufactured in a variety of configurations; they can attach to a bolt embedded in the concrete or be set directly in the concrete.

A) panels
B) frame
C) holdowns
D) nails

Question 31

While concrete is very strong in compression, it is weak in _____________.

A) anchoring
B) foundation
C) tension
D) strength

Question 32

A critical design consideration is that the shear wall sections stack (in)_____________.

A) Diagonally
B) Horizontally
C) vertically
D) parallels