Chapter 2 and 3 Flashcards
______ is the second core of structural firefighting.
Building construction
Who is known as the father of Building Construction in the fire service?
Francis Brannigan
Who said, “The building is your enemy. Know your enemy.”
Francis Brannigan
______ is one of the greatest dangers structural firefighters face while working at a fire in a building.
Building collapse
What two styles of building are the vast majority of structures that exist today in the United States built using?
Conventional or lightweight
Conventional construction is sometimes referred to as?
Legacy Construction
Lightweight construction is sometimes referred to as?
Modern Construction
______ construction utilizes structural components that rely on size for strength.
Conventional
Lightweight construction relies on what for its strength?
Geometrical arrangement using tension and compression stability
______ is a social component using geometrically arranged triangular units to attain stability.
Truss
The top cord in a truss is in ______, and the bottom cord is in ____
Compression, Tension.
Lightweight constructions strength depends on the what
Geometry of its members
Truss systems that are used to build a common house today are mostly made of?
2x3s found in wooden I beams and 2x4s found in peaked roof trusses
A truss is only as strong as what
Connections
Buildings are constructed using structural components which are sometimes called
Structural elements or structural members
A ______ is a supporting component that transfers weight, usually horizontally, from one direction to its points of support.
Beam
What are the oldest structural components known to mankind?
Beams and columns
A ______ is only supported at one end.
Cantilever beam
______ is composed of a top and bottom flange separated by a vertical web.
I-beam
What are the three types of lightweight wooden I-beams?
TGI (tongue and groove)
Engineered wood Joist
PRIs (performance rated I-Joist)
A structural component that transmits a compressive load along a straight path.
Column