Architectural and Engineering Glossary
R
See preassembled lock.
A raceway for electric wires or cables,made of metal pipe of standard thickness and weight permitting the cutting of standard threads.
A pavement which provides high bending resistance and which distributes loads to the foundation over a relatively large area.
That property of a material which resists a change in its physical shape.
Said of light-gauge sheet metal which is embossed or textured by a rolling process to provide additional stiffness.
Same as reglet.
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A piece of wood,around the perimeter of a wood frame,to which the ends of floor joists are attached.
A surface mounted latch.
A face-mounted door lock.Compare with box lock.
In classical architecture and derivatives,an ornamental band of undulant and recurving plant motifs.
A defect in timber caused by a bruise in the bark which produces a callus on the wood over which later layers grow without consolidating.
A pile of stones,set in a circle,with an open central space.
In an arch,an outer course of stone or brick.
Same as ring shank nail.
A scratch awl esp.used insheet metal fabrication.
A nail having a number of ring like grooves around the shank to increase its holding power.
One of the stones of an arch which show on the face of the wall,or the end of the arch;one of the voussoirs of the face forming the archivolt.
Hardwood having spring wood pores which are larger and more distinct than those produced later in the growing season.
See banded column.
A chart used as the basis for evaluating the density of smoke discharged from chimneys.
In Italian Medieval architecture,a balcony (on the front of the town hall) from which speeches and decrees were read.
A room in the lower part of a church tower where the ropes that ring the church bells are located.
In medieval times,one or more defensive ditches or banks (usually more or less circular or oval in shape) to protect the area within.
1.A bounded space of ice,usually enclosed,for skating,curling,or ice hockey matches.2.A bounded space,usually enclosed,with a smooth floor,of wood or asphalt,for roller skating.
To cut wood lengthwise,parallel to the grain.
The right of a landowner to use water from a river or other body of water on which his land abuts.
See ripsawing.
Same as pinch bar.
In woodworking,a bent chisel used in clearing out mortises or seams.
The size of lumber,as it comes from the operation of ripsawing,that is required to obtain a specified finish size.
A circular saw assembly in which the table,rather than the saw,is movable.
A door hinge having a spiral groove winding about its knuckle,or having the joints of the knuckle oblique,so that when opened,the door is lifted and clears the carpet.
Same as riser,4 or riser,5.
In the building industry,the systemized practice of avoiding potential risks,such as culpability and liability or legal entanglements.
To split wood along the grain,as in making shingles.
See wrinkling.
Wood laths made by splitting instead of sawing.
A slate that is cleaved along one of its parallel planes.
A short pin,of a malleable metal such as iron,steel,or copper,with a head at one end;used to unite two metal plates by passing it through a hole in both plates and then hammering down the point to form a second head.
The distance between the centers of rivets along a straight line,as along a bearing bar in a riveted grating.
A grating composed of straight bearing bars and bent connecting bars,which are joined at their contact points by riveting.
A connection between two members which are riveted together.
The load exerted on a roof other than the roofing system and its supporting members;the live load on the roof.
A roof truss.
A roof hatch.
The boards or sheet material,especially plywood,fastened to the roof rafters,onto which the shingle or other roof covering is laid.
A board,poster,lighting display,or the like,erected and maintained on or above the roof of a building,usually to advertise or impart information.
A slab of reinforced concrete that serves as a flat roof.
See slating.
Space (generally unused) between the roof and the ceiling of the highest room.
