I Joist Flashcards
What are the thee components of an i joist
Web, top and bottom flange
Four advantages of wood I joist
Spans greater distance, stronger, lightweight, does not bounce , no twist
Why is it important to follow manufacture directions when installing TJI system
Can cause system to. It perform as it should and the manufacture guarantee will be void
The minimum end bearing for a TJI joist is
1 3/4”
The minimum distance between the edges of two adjacent holes must be at least
2 times diameter of larger hole
What components must be installed prior to being allowed to walk on the floor
Bracing, r joists, blocking, connections
The ijoist system has a special header system around stairwells and it is made of what type of material
Manufactured suggestions, Douglas fir and adhesive
How can load bearing cantilevers be reinforced
Using APA rated sheathed 48/24 on both sides of I joist
When I joist are used for the rim joist the minimum width of the sill plate must be
2x6 or no less then 3 1/2(sill plate)
For what purpose are squash blocks required
Transfer load from upper wall to lower wall
Name the two different types of web stiffeners used in the TJI SYSTEM
bearing web and concentrated web
The TJ I joist web stiffeners must have a minimum width of
2 5/16 or 89 mm
What is the difference in gaps between the bearing and the concentrated load stiffeners
Bearing is placed at the end or intermediate wall positions, and must have a 3 mm gap at the top of the flange and concentrated must have a 3 mm gap at the bottom of the flange
And I joist explain what cantilever blocking refers to
Blocking that is installed between the top flanges for cantilever Joyce directly over the foundation wall
