H-1 Flashcards
(29 cards)
On which framing system is the standard stud length based?
platform-framing
Which framing system is used to create large open spaces?
post, beam, and plank (heavy-timber) framing
Why must concrete footing be enlarged for post, beam, and plank framing?
to support the concentrated (point) loads
Which framing system is he fastest to construct?
platform-framing
Which framing system requires its components to be designed by a registered professional engineer
post, beam, and plank construction, framing members more than 24” o.c.
What part of the Building Code covers the design of platform-framing?
Part9
What types of framing system usually use wood trusses?
platform and balloon framing
What must be done if changes are made to the structure of a wood-frame building?
a complete review of the structural design
What two exterior finishes require special attention to shrinkage and settling?
cement stucco and masonry veneer
What is thermal bridging?
an area of significantly lower simulation levels due to the location of framing materials
What style of wall/floor framing is used for the Ladysmith Vacation Cabin?
western platform-framing
Do the terms “air space” and “attic” describe the same space?
no
What does the term “breaking joints” mean?
the staggering of joints in planes or sheathing
Explain the difference between a “crown” and a “camber”
A camber is an intentional upward curve built into a manufactured beam or girder. A crown is a lumber defect due to warping.
What is the horizontal projection of the roof at the top of a wall called?
Cornice or eave
What should be done before framing the rough opening for a door or window?
obtain the correct rough opening size from the manufacturer or supplier
What is a parapet wall?
a wall that extends above the roofline
How does a girder differ from a beam?
Girders are large beams that support other beams
List three wall-framing members that have two names.
-lintel and header
-cripple stud and trimmer stud
-jack studs and cripple studs
Explain the differences between a header and a trimmer in floor framing.
Trimmer hoists are spanning joists which run parallel with the main joists and support header joists. Header joist run perpendicular to the main joist and support tail joists.
What are two functions of a girt?
To stiffen walls or to act as fire stops
List two types of studs that are not full wall height.
-cripple- studs
-jack studs
List three members that can be used to support the ceiling finish.
-ceiling joists
-roof joists
-collar ties
-strapping
-roof trusses
Describe a purlin
Purlins are structural members that run at right angles to the rafters
