Deck 111

Question 1

The fire containment provided by a structure, such as a partition wall with spray on fire retarding and fire resistive construction is known as __________________.

Answer 1

Passive Fire Protection. This often fails and cannot be depended upon.

Question 2

Fire protection provided by automatic sprinklers and firefighters’ hose streams is known as _____________.

Answer 2

Active Fire Protection

Question 3

A sheet steel C-beam used in lightweight steel floor construction is defined as a ______________.

Answer 3

Cold Formed Steel Beam

Question 4

Define: Demising Wall.

Answer 4

A partition that extends from a floor slab to the floor slab above.

Question 5

A Gravity Load is defined as _____________.

Answer 5

A combination of a dead load & live load.

Question 6

A floor failure that causes one or more floors below and one or more enclosing walls to collapse is known as __________.

Answer 6

A Multilevel Floor Collapse.Note: it involves both floors and a wall(s) despite being called a “floor” collapse.

Question 7

Timber, as defined by Dunn, is wood larger than __________.

Answer 7

Larger than 2x4

Question 8

A buttress is a wall reinforcement or brace built on the inside/outside of a structure.

Answer 8

Outside

Question 9

If the buttress was constructed on the inside of the structure it would be called a _______.

Answer 9

Pilaster

Question 10

A marquee, a cornice, a canopy and a parapet wall all fall under the category of a _______.

Answer 10

Facade

Question 11

Define “Safety Factor”

Answer 11

The quotient of: the load that will cause a structure to collapse / divided by the load a structure is designed to support.Ex: structure that will collapse @ 200 lbs/sq ft that is designed to support 100 lbs/sq ft has a safety factor of 2.

Question 12

Put these framing elements into collapse seriousness order from least to most.Girders, decks, bearing walls, columns & beams.

Answer 12

Decks Least SeriousBeams (floor & roof)GirdersColumns Bearing Walls Most Serious

Question 13

What is the main characteristic of a “fire wall”?

Answer 13

Must be independent of the roof structures on either side and able to withstand the complete collapse of the structure on either side.

Question 14

Put these walls in stability order from less to most.Non-bearing, bearing, free standing

Answer 14

Free Standing LessNon-BearingBearing Most