Chapter 14 - Non-Fire Building Collapse

Question 1

Earthquakes:

Buildings constructed prior to the ______ are generally more at risk than newer buildings.

Answer 1

1930s

p 395

Question 2

Earthquakes

Seismic design considerations include _________ bracing and other features to provide sufficient resistance to seismic motion in order to minimize damage and avoid collapse.

Answer 2

lateral

p 396

Question 3

The potential for ___________ occurs nearly everywhere. __________ are defined as the movement of rock, earth, or debris down a slope.

Answer 3

landslides / landslides

p 396

Question 4

Landslides

Urban expansion has increased the potential for this geological event because there are more cuts into ____________ to accommodate building development.

Answer 4

hillsides

p 396

Question 5

Land __________ is similar to landslides in that the ground gives way but usually in the form of gradual sinking.

Answer 5

subsidence

p 398

Question 6

• Sinking or settling of land due to various natural and human caused factors such as removal of underground water or oil.

Answer 6

Subsidence

p 398

Question 7

• A natural depression in a land surface formed by the collapse of a cavern roof. Generally occurs in limestone regions.

Answer 7

Sinkhole

p 398

Question 8

Sinkhole cavities are usually created by the interaction of ground water with rock formation that are water __________.

Answer 8

soluble

p 399

Question 9

Windstorms, hurricanes and tornados

Modern building codes include ______ _______ as part of the structural design requirements.

Answer 9

wind loads

p 400

Question 10

Collapse can result when __________ loads on the structural members exceed final design loads due to careless stockpiling of heavy building materials on upper floors.

Answer 10

temporary

p 404

Question 11

Another cause of collapse is improper ___________ of the construction process.

Answer 11

sequencing

p 404

Question 12

A third cause of failure during construction results from temporary weakness of the __________ ________.

Answer 12

building frame

p 404

Question 13

A fourth cause of collapse is the ____________ of the building frame during construction.

Answer 13

instability

p 406

Question 14

___________ demolition is performed by using hand tools or machines.

Answer 14

Piecemeal

p 406

Question 15

___________ collapse is performed by using a crane with a demolition ball, hydraulic pusher arms, wire rope pulling or explosives.

Answer 15

Controlled

p 406