Card Set Information
Principal smoke moving mechanism?
What does R.A.C.E. stand for?
Corridors in Hospitals?
Stack levels in libraries
Width of school corridors?
One end to the floor still supported, triangular void
Lean to floor
Fails in center, perimeter still supported, 2 voids
One end supported by an interior wall
one end supported, other end unsupported
Greatest killer of Firefighters
Minimum size of collapse zone per building construction book?
full height of the wall
1 and a half times the height of the building
Wall falls straight down
curtain wall collapse
How many sprinkler heads is the cutoff before you can eliminate the FDC?
External forces that act on a structure?
More accurate term for pre-fire effort?
_____ squeezes, ______ stretches, and _____ twists
The building itself and anything permanently attactched
_____ loads can be calculated ____ loads cannot
Dead loads can
Live loads cannot
NFPA ____ design load code
Added water loads can add over ____ lbs when master streams are flowing
_____ loads- all in one area
applied slowly and remain constant
_____ loads- applied intermittently
_______ floors- designed to stiffen the building against wind and other lateral loads
______ - diagonal braces between columns
heavy riveting of girders
Externally braced buildings
rectangular trusses w/ very rigid corners
_____ load - force that is perpendicular or concentrated to one side
____ load - force passes through the centroid
The rate of available energy released
Heat release rate
High-rises must be braced by the wind in one or more way:
_____ loads - produce dangerously high stresses
Lateral impact loads
A structural member that transmits a compressive load along a straight path in the direction of the member
The result of force exerted by a beam on a support
The distributing of loads along a beam
Oldest structural member
When a beam is loaded it?
Deflects or bends downward
Deflection causes the top to ____so it is in ____. And the bottom ____ thus it is in ____.
top shortens so it is in compression
bottom elongates thus it is in tension
beams transfer loads _____ to ____
laterally to two supporting ends
Supported at two points
Supported at 3 or more points
a beam, often made of wood
Supported at 2 points and held rigidly in place
Safety factor: Design load is
Half of the tested load
Safety factor of steel is
A rod in tension
With the addition of of ___ concrete can withstand loads under tension
A load can not be delivered to the ground in ___ must be ____
not in tension. must be compressive
NFPA _____ : FIRE AND EXPLOSIVE INVESTIGTIONS
Potential fuel available at a fire
Q is expressed in terms of:
watts, kilowatts, or megawatts
Can carry a load that would require a larger compressive member
Slender Missle Member
A term meaning 1000lbs
The result of forces applied to a structure
stress and strain
look up slender missile
A series of closely spaced beams, carries heat loads
A beam that spans the opening in a masonry wall
Carries the load on the exterior of a framed building between the top of the window and the bottom of the window above