Chapter 14 Collapse

Question 1

Moaning/groaning, cracking noises, any movement, shifting of water on floor, smoke pushing through cracks in wall, lack of water runoff

Answer 1

Audible/physical indicators of collapse

Question 2

Compromise of load bearing members, ire damage, rotting or corrosion, broken structural elements, eccentrically loaded columns

Answer 2

Occupancy precipitators

Question 3

Sustained heavy fire, explosion, loss of wood, unprotected steel exposed to fire, wood I beams and trusses exposed to fire.

Answer 3

Other precipitators of collapse

Question 4

The type of collapse that occurs when a relatively small area of structural damage results in a loss of localized load carrying capability initiating a chain reaction of subsequent failures

Answer 4

Progressive collapse

Question 5

A _____ often occurs when loads shift after a primary collapsed causing additional portions of the structure to fail

Answer 5

Secondary collapse

Question 6

A _____ collapse usually occurs when the connections between the floor and a loadbearing wall are lost

Answer 6

Pancake

Question 7

Usually limited to wood frame structures; when the upper floors shift and lean the building into adjacent buildings

Answer 7

Lean over collapse

Question 8

Page 435 says firefighters must remain at least the _____ of the wall away

Answer 8

Full height