Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

LA Contractors License > Steel Erection > Flashcards

Steel Erection Flashcards

1
Q

What is another term for open web steel joists?

A

H Spans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The long span joists are a part of which series?

A

LH-series

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

All joists consist of the following basic elements?

A

Top chord, bottom chord, web members, and bearing seats.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The most common type of chord is:

A

Back to back angles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Joist members are always connected by

A

Welding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Spans for open web steel joists range from:

A

8-60 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Length range for long span joists is:

A

21-96 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Depth range for long span joists is:

A

18-48 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Deep long span joists have a maximum depth of:

A

72 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Beating depth for deep long span joists, chord number 18 is:

A

7 1/2 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the load rating of a joist girder with designation 36G9N6K?

A

6 kips at each joist location, unfactored.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What joist shipping position is particularly vulnerable to damage during unloading/handling?

A

Flat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The maximum weight of bridging bundles as required by OSHA cannot exceed:

A

1000 pounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Joist girders must bear a minimum of how many inches on steel supports?

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The minimum welded end anchorage for joist girders must be:

A

Two 1/4 inch fillet welds 2 inches long

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The type and quantity of bridging required to maintain stability during erection is defined in

A

The Steel Joist Institutes Standard Load Tables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The final attachment of joist ends can be made by

A

Bolting or welding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The purpose of bridging is:

A

To brace the joists against lateral movement during erection and placing of construction loads

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which joists should be bridged first?

A

The one nearest the end of the building.

20
Q

Bridging should be attached by

A

Welding or bolting

21
Q

Longspan and deep longspan joists bearing on concrete or masonry supports must bear on:

A

Steel plates, anchored to the masonry unit for a minimum distance of 6 inches

22
Q

For spans over 60 feet, bridging connections may be:

A

Bolted only

23
Q

Which joists should be bridged first?

A

The one nearest the end of the building.

24
Q

For horizontal bridging, the minimum drop is:

A

3 feet

25
Q

Joist camber is in what direction?

A

Up at the center of the joist.

26
Q

Areas of the decking that buckle during concrete pour:

A

Do not adversely affect the live load capacity

27
Q

Do not field cut deck at holes/openings until concrete has reached:

A

75% of the design strength.

28
Q

Sheet to sheet connections may be made by:

A

Self drilling screws and welds

29
Q

All welding should be done in accordance with

A

The Structural Welding Code, AWS D1.1 or D1.3

30
Q

Shear studs should be installed:

A

After the platform is attached to the structure.

31
Q

The “Tag End” location of the joist can be found

A

On the Joist Placement Plans

32
Q

When is erection bridging to be installed?

A

As the joists are erected and before the hoisting cables are released.

33
Q

How many employees are allowed on a short span joist before bridging is installed and anchored?

A

One

34
Q

How many employees are allowed on a long span joist before bridging is installed and anchored?

A

2

35
Q

The vast majority of bridging is:

A

Welded, horizontal type

36
Q

The purpose of bridging is to:

A

Prevent joists from collapsing under load

37
Q

The most common bridging material is:

A

Angle

38
Q

What type of bridging is required for joists of 60-100 foot length?

A

Bolted diagonal

39
Q

In assembling multi-piece joists, the erector must

A

Match mates

40
Q

The steel bearing plate must be how wide?

A

Not less than 6 inches

41
Q

The joists must bear how far on the beating plate?

A

Minimum 2 1/2 inches

42
Q

Horizontal bridging shall be capable of resisting a nominal horizontal force of not less than

A

700 lbs

43
Q

Joists shall be spaced

A

So that the loading on each joist does not exceed the design load

44
Q

Floor and roof decks may consist of

A

Wood and gypsum

45
Q

Cast in place slabs shall be not less than what thickness?

A

2 inches

46
Q

How far shall the ends of joist girders extend over masonry or concrete supports?

A

Not less than 6 inches

47
Q

The steel bearing plate for supporting joist girders on masonry or concrete shall be how wide?

A

Not less than 9 inches

LA Contractors License (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions