Chapter 7 Flashcards
Solid lumber includes:
Dimensional lumber, boards in timbers
Dimensional lumber is available in lengths from?
8 to 24 feet. Available in 2 foot increments
The standard tensile strength of what is considered?
About 700 psi
_____ is a significant factor in wood strength
Moisture content
Moisture content:
Most structural lumber has?
19% or less
The allowable compressive strength parallel to the grain varies from_____to____for commercially available grades in species of framing lumber
325 to 1,700 psi
One serious and fundamental drawback to wood as a building material is it?
Combustibility
The wood framing system is most frequently encountered can be broadly classified into two basic types:
Light wood framing and heavy timber framing
Because of labor cost and limitations on the basic strength of wood, most of wood frame buildings do not exceed?
3 stories
Horizontal frame work remember, especially one attached to a beam side that supports the joist. Also known as ribbon board
Ledger board
Platform framing, also sometimes known as?
Western framing
The two primary differences between heavy timber and masonry construction are:
Heavy timber has thicker dimensions of solid or laminated wood structural member .
Heavy timber does not allow combustible concealed spaces