Steel Framing

Question 1

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

Answer 1

Increase

Question 2

Wrought Iron facts:

Answer 2

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

Question 3

Mild steel facts:

Answer 3

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

Question 4

Medium & high carbon steel facts:

Answer 4

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

Question 5

Cast iron facts:

Answer 5

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

Question 6

Summarize steelmaking process:

Answer 6

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

Question 7

An alternative way to make structural steel is using:

Answer 7

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

Question 8

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

Answer 8

Rolling mill

Question 9

Explain designation W10 X 30

Answer 9

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

Question 10

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

Answer 10

Trusses
Structurally efficient column sections

Question 11

how is stainless steel different than regular steel?

Answer 11

additional nickel and chromium

Question 12

Deforming steel in its cold state causes:

Answer 12

increased strength

Question 13

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

Answer 13

both

Question 14

What is the depth range for open web steel joists?

Answer 14

8in to 6 ft

Question 15

What are the three main ways we join steel?

Answer 15

Welding
Bolting
Rivets

Question 16

What is riveting?

Answer 16

hot fasteners are inserted through members
hammered and left to cool

Question 17

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

Answer 17

Low strength

Question 18

What are the uses of bolted connections?

Answer 18

Fastening light framing elements
holding temporary connections

Question 19

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

Answer 19

Shear

Question 20

What are the three different types of welding?

Answer 20

Fillet
Groove
Puddle

Question 21

Fillet weld is:

Answer 21

Beside structural members

Question 22

Groove weld is:

Answer 22

In between structural members

Question 23

Puddle weld:

Answer 23

Fasten metal decking to structural members

Question 24

Simple connection only transfers:

Answer 24

Gravity loads (shear loads)

Question 25

Moment connection transfers:

Answer 25

Gravity loads and bending forces

Question 26

The purpose of dog bone cut in connections is:

Answer 26

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

Question 27

Building frames can be made stable by these three methods:

Answer 27

Diagonal bracing Moment frame Shear wall

Question 28

Are diagonal braced frames free to rotate?

Answer 28

yes

Question 29

Fully restrained moment connection:

Answer 29

Transfer bending forces with no rotation

Question 30

Partially restrained moment connection:

Answer 30

Transfer bending forces with some rotation

Question 31

Steel Construction Timeline:

Answer 31

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

Question 32

Steel framing plans show:

Answer 32

Size & location of steel members

Question 33

How are steel members identified?

Answer 33

Labeled to correspond to drawings

Question 34

What are steel erector workers called?

Answer 34

Ironworkers

Question 35

Steel frame erection sequence:

Answer 35

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

Question 36

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

Answer 36

Leveling plate Leveling nuts Shims

Question 37

What is "plumbing"?

Answer 37

Make vertical using cables

Question 38

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

Answer 38

Corrugated steel decking

Question 39

_______ Weld is used to connect decking to framing members

Answer 39

Puddle

Question 40

Composite Metal Decking functions as:

Answer 40

Backing for concrete Steel reinforcing

Question 41

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

Answer 41

Yes

Question 42

Above ____________F, steel rapidly looses strength

Answer 42

500-600

Question 43

What are some examples of fireproofing materials?

Answer 43

Concrete Plaster Gypsum board Spray-applied insulation

Question 44

What is the most common approach to fire protection?

Answer 44

Spray applied fire resistive material (SFRM)