Handling & Erection of Steel Joists Flashcards
What is the maximum depth of an open web joist?
- 30”
What is the standard bearing depth of open web steel joists?
- 2 1/2”
In an open web joist designation of 18K7. The “7” indicates the _____of the joist.
- Chord Section.
What is the depth at midspan for a steel joist designated as 42G30N12K?
- 42”.
The proper method used to unload steel bar joist when possible is.________
- By the Bundle.
Steel joists should be stored on a job site.______
- Upside down in a vertical position.
It is imperative that a Joist Girder be placed._______
- as indicated by the tag end.
Joist Girders are primary structure items that are supported (normally) by. ______?
- Columns.
When steel joists bear on and are supported by steel girders, the joist.______
- Must be placed at top chord panel points.
Steel joist girders may be secured by welding or by use of. _______
- Two 3/4” bolts.
For a 33’-60’ long steel joist, the hoist cable should not be removed until _________?
- A row of bolted diagonal bridging is installed near the mid-span.
Erecting a 42’ long joist, what requirement must be met before slacking the hoist line?
- Center row of bridging be installed.
A _______ indicates that the bar joist are not installed straight lengthwise.
- Sweep.
_______________ is the correct method of securing a square end joist.
- Right side up so that the joist will bow up at the mid-span.
A row of bottom chord bridging is required near each end of the joist. _________
- When uplift forces are design consideration.
