CMT Chapter 7

welded wire reinforcement

WWR

welded wire reinforcement

heavy-gauge wire joined in a grid and used to reinforce and increase the tensile strength of concrete

lintel

horizontal structural member installed above a door or window and used to distribute the weight from the structure above to either side of the opening

brick

individual rectangular unit made from clay or a clay mixture that is hardened by drying in a kiln

parapet

low protective wall at the edge of a balcony or roof

concrete

mixture of cement, fine, and coarse aggregate, and water

floor plan

plan view of a building that shows the arrangement of walls and partitions as they appear in an imaginary horizontal section taken approximately 5'-0" above floor level

stair ratio

relationship between riser height (R) and tread width (T) in a stairway

elevation

scaled view looking directly at a vertical surface

lally column

steel post that is filled with concrete to provide additional support

rebar

steel reinforcing bar with deformations on the surface to allow the bar to interlock with concrete

steel angle

structural steel member with an L-shaped cross section with equal or unequal width legs

wide-flange beam

structural steel member with parallel flanges that are joined with perpendicular web

unit rise

vertical distance from the top of one tread to the top of an adjoining tread in a stairway

unit run

width of the stair tread not including the nosing