Building Construction Flashcards

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0
Q

Load bearing wall

A

Wall that is used for structure support

supports the weight of the roof

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1
Q

What is the most common building used in North America?

A

Wood

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2
Q

No load bearing wall

A

Wall usually interior that supports only it’s own weight

doesn’t connect to roof

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3
Q

Party wall

A

Is a load bearing wall shared by two adjacent structures

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4
Q

Portion wall

A

Interior non load bearing wall that separates a space into rooms
( basic wall)

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5
Q

What are the two factors that determine the reaction of wood in a fire?

A

The size of the wood

Moisture content

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6
Q

What is gypsum?

A

Dry wall with a noncombustible layer designed to protect the wood framing and fiber glass layering

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7
Q

Fire wall

A

Wall with a specific degree in fore resistance usually extending from the foundation up through the roof designed to limit the spread of fire

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8
Q

Masonry

A

Bricks, blocks, stones and concrete products

Don’t burn

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9
Q

Cantilever walls

A

Walls that extend beyond the structure that supports them

Usually exterior

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10
Q

Veneer walls

A

Decorative and usually attached to a load bearing surface

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11
Q

What happens if you rapidly cool masonry materials?

A

Materials may crack

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12
Q

Cast iron

A

Found in older buildings may crack or shatter when rapidly cooled with water
Major concern is the integrity of the bolts supporting them

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13
Q

What is the the primary material used to support large modern buildings?

A

Steel

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14
Q

A 50ft steel beam may elongate by how many inches when heated to 1000 degrees and what else may occur

A

4inches

Steel can buckle in the middle

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15
Q

How can gypsum deal with a great deal of heat?

A

It’s high in water content

16
Q

What kind of glass provides thermal protection

A

Wire reinforced glass

17
Q

According to NFPA 220 there are how many types of building constructions?

A

5

  1. fire resistive
  2. non combustible
  3. Ordinary
  4. heavy timber
  5. Wood frame
18
Q

Type 1 fire resistive

A

Provides the best fire resistive and provides people a chance to escape

19
Q

Type 2

Non combustible

A

Has non combustible structure comments in the outside and frame but has a flat roof that contains combustible materials

20
Q

Type 3 ordinary

A

Concrete block out side structure with interior wood framing

21
Q

Type 4 heavy timber

A

Made if wood large enough to be considered heavy timber and has no ceiling both load bearing and non bearing beams are viable to the roof

22
Q

Type 5 wood frame

A

Typical home with wood framing and gypsum dry wall

23
Q

What are the two primary types of dangerous conditions when dealing with building integrity?

A

Spread and intensity of the fire

Conditions leading to the collapse

24
Q

Fire load

A

Is the maximum heat that can be produced if all the combustible materials are burned

25
Q

Heavy fire load

A

Is the presence of large amounts of combustible materials in a building

26
Q

Collapse zone

A

Area extending one and one half the height of the building

27
Q

What is used to show that a building has been re enforced to support the stability of the building?

A

Reinforcement stars

28
Q

Light weight steel truss

A

Support made from long steel bars bent at a 90 degree angle welded from top to bottom

29
Q

Light weight steel and wood trusses can fail after how long when exposed to fire?

A

5 to 10 mins

30
Q

Metal gusset plates

A

Small metal plates that connect wood frames at angles

31
Q

Bowstring trusses

A

Found in older buildings or sport arenas