Chapter 9 Flashcards
Ordinary construction is known as type ___.
Type 3
Ordinary construction… The joists are usually ___ to the street frontage of the building, or the smaller building dimension.
Parallel
Ordinary construction… The simple wood beam floor is satisfactory for building up to a practical limit of about ___ feet in width.
25 feet
Ordinary construction… In recent years, high rise brick and concrete buildings with no wall thicker than ___ inches, and medium rise brick building with no wall thicker than ___ inches, have been developed, supplanting the traditional practice of ever increasing wall thickness.
12 inches
8 inches
The lintel commonly used today is a ___ or ___ section.
Steel “L” or channel
If any arch unit (___) is out, there is no arch.
voussoir
A ___ is a passageway, usually vertical, cut into a masonry wall for a pipe or conduit.
Chase
In older masonry construction, the interior walls, if not of masonry, are of ___ construction.
Balloon frame
The thrust of a ___ is downward.
Truss
The thrust of a ___ is outward.
Arch
Masonry building with spans greater than ___ must have interior bearing walls.
25 feet
Ordinary construction… margin of operational safety; ___ is an accepted safe operational period.
15 minutes
When breaching a wall, make a ___ cut with the apex at the top.
Triangular
A 100’ steel beam reaches ___ at 1,000°F
100’ 9”
Material that absorbs water such as carpet, bulk cardboard, large rolls of paper, and fibrous material, should be stored at least ___ away from masonry walls to allow for expansion.
1 foot
