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ARE 335 - EXAM II > Steel Framing > Flashcards

Steel Framing Flashcards

1
Q

Greater proportions of carbon generally __________ the hardness and brittleness of the iron alloy,

A

Increase

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2
Q

Wrought Iron facts:

A

Little or no carbon
Strong in tension
Weak in compression
Malleable (easily shaped) and soft

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3
Q

Mild steel facts:

A

Most common alloy for modern structural steel
Not more than 0.3% carbon

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4
Q

Medium & high carbon steel facts:

A

Carbon percentage between 0.3% - 2%
strong in both tension & compression
ductile (no sudden failure)

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5
Q

Cast iron facts:

A

2-4% carbon
Strong in compression
Less strong in tension
Brittle (prone to sudden failure)

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6
Q

Summarize steelmaking process:

A

Iron ore is processed into molten iron
molten iron turned into molten steel
poured into desired shapes

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7
Q

An alternative way to make structural steel is using:

A

recycled steel scrap in “mini-mills” using electric arc furnaces

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8
Q

after steel is made, structural shapes are produced in a:

A

Rolling mill

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9
Q

Explain designation W10 X 30

A

W: Shape designation
10: nominal depth (inches)
30: weight (lbs / lf)

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10
Q

What are hollow Structural Sections (HSS) mainly used for?

A

Trusses
Structurally efficient column sections

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11
Q

how is stainless steel different than regular steel?

A

additional nickel and chromium

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12
Q

Deforming steel in its cold state causes:

A

increased strength

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13
Q

Are open web steel joists made from hot or cold formed components?

A

both

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14
Q

What is the depth range for open web steel joists?

A

8in to 6 ft

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15
Q

What are the three main ways we join steel?

A

Welding
Bolting
Rivets

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16
Q

What is riveting?

A

hot fasteners are inserted through members
hammered and left to cool

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17
Q

Are bolted connections high strength or low strength? (relatively)

A

Low strength

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18
Q

What are the uses of bolted connections?

A

Fastening light framing elements
holding temporary connections

19
Q

In a bearing-type connection, bolt is stressed in:

A

Shear

20
Q

What are the three different types of welding?

A

Fillet
Groove
Puddle

21
Q

Fillet weld is:

A

Beside structural members

22
Q

Groove weld is:

A

In between structural members

23
Q

Puddle weld:

A

Fasten metal decking to structural members

24
Q

Simple connection only transfers:

A

Gravity loads (shear loads)

25
Q

Moment connection transfers:

A

Gravity loads and bending forces

26
Q

The purpose of dog bone cut in connections is:

A

In a seismic event it’ll deform first protecting more brittle welds

27
Q

Building frames can be made stable by these three methods:

A

Diagonal bracing
Moment frame
Shear wall

28
Q

Are diagonal braced frames free to rotate?

A

yes

29
Q

Fully restrained moment connection:

A

Transfer bending forces with no rotation

30
Q

Partially restrained moment connection:

A

Transfer bending forces with some rotation

31
Q

Steel Construction Timeline:

A
  1. Prep Structural Drawings
  2. Prep Shop Drawings
  3. Submission & approval
  4. Order
  5. Fabrication
  6. Shipment
  7. Erection
32
Q

Steel framing plans show:

A

Size & location of steel members

33
Q

How are steel members identified?

A

Labeled to correspond to drawings

34
Q

What are steel erector workers called?

A

Ironworkers

35
Q

Steel frame erection sequence:

A

Erect columns
Install beams
plumb structure
weld or tighten connections
Install edge angles & decking
Start next tier

36
Q

What are three options to set a column to proper elevation?

A

Leveling plate
Leveling nuts
Shims

37
Q

What is “plumbing”?

A

Make vertical using cables

38
Q

_________________ laid over the framing is the most common floor and roof decking material

A

Corrugated steel decking

39
Q

_______ Weld is used to connect decking to framing members

A

Puddle

40
Q

Composite Metal Decking functions as:

A

Backing for concrete
Steel reinforcing

41
Q

With proper fire protection, can building heights and areas be unlimited?

A

Yes

42
Q

Above ____________F, steel rapidly looses strength

A

500-600

43
Q

What are some examples of fireproofing materials?

A

Concrete
Plaster
Gypsum board
Spray-applied insulation

44
Q

What is the most common approach to fire protection?

A

Spray applied fire resistive material (SFRM)

ARE 335 - EXAM II (4 decks)

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