Ch. 10 – Noncombustible Construction Flashcards
If steel cannot elongate because of restraint it will _____
Buckle or overturn
If steel is elongating, the cooling effect of water draws it back to its _____
original dimensions
If steel is failing, the water simply _____ it in whatever shape it is currently in
Freezes
A flat piece of steel
Plate
Beams, usually channels, set at right angles to trusses or roof rafters to provide support two lightweight roofs
Purlins
_____ members are one solid piece of metal
Rolled Up
_____ members are made of different sections riveted bolted or welded together
Built up
Standard I-beam cut lengthwise through the web forming a T-shaped cross-section.
Tee
_____ is used to repair failures in concrete buildings
Steel
_____ are used to achieve wide clear spans
Rigid frames
In the rigid frame, the _____ is narrow at the base and wide at the top
Column
Rigid frames can provide clear spans of about _____
100 feet
With rigid frames, the area of the structure can be increased indefinitely by using _____ common to both frames
Y Shaped Columns
A _____ is a prefabricated steel building
Butler building
Steel buildings that are tied together to resist the wind load are more likely to suffer _____ _____ due to fire distortion
Progressive collapse
The space created by deep parallel chord trusses in hospitals are nicknamed _____ _____ in our dangerous because of storage and other use.
Interstitial space
A _____ is used to laterally relocate the vertical load of columns to clear an area such as the hotel ballroom
Transfer beam
_____ construction is used where an explosion is a possibility
Friable
_____ has a low melting point and little mass per unit of area, so it disintegrates rapidly in a fire
Aluminum
The most common walls for unprotected steel framed buildings are made of _____ or a composite of concrete block and brick.
Concrete Block
Steel will expand 0.06 to 0.07% in length for every _____ rise in temperature
100 degree F
In a standard fire, bar joists will fail in about _____ minutes
7
_____ consist of metal sheets laid over steel bar joists.
Metal deck roofs
A _____ is a metal deck roof with all the insulations, adhesives and coverings added to it.
built up roof
Unprotected steel structures have the potential for early _____
Collapse
_____ fire protection is accomplished with automatic sprinkler systems
Dynamic
_____ fire protection is protecting steel (sprayed on protection etc).
Passive
