C definitions - Building Terms Dictionary

C definitions - Do you know architectual drafting or building terms starting with the letter "C"?

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A cylindrical sitecast concrete foundation unit that penetrates through unsatisfactory soil to reset upon an underlying stratum of rock or statifactory soil; an enclosure that permits excavation work to be carried out underwater.

The drying off of the water of hydration from gypsum by the application of heat.

A slight, intentional initial curvature in a beam or slab.

The thin layer beneath the bark of the tree that manufactures cells of wood or bark.
A beam, truss, or slab that extends beyond its last point of support.

Cant Strip:
A strip of material with a sloping face used to ease th transition from a horizontal to a vertical surface at the edge of a membrane roof.

Capillary Action:
The pullinf of water through a small orifice or fibrous material by the adhesive force between the water and the material.

Capillary Break:
A slot or groove intended to create an opening too large to be bridged by a drop of water, and thereby to prevent the passage of water by capillary action.

Carbide-tipped Tools:
Drill bits, saws, and other tools with cutting edges made of an extremely hard alloy.

Carbon Steel:
Low-carbon or mild steel.

One who makes things of wood.

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Casement Window:
A window that pivots on an axis at or never a vertical edge of the sash.

The wood finish pieces surrounding the frame of a window or door; a cylindrical steel tube used to line a drilled or driven hole in foundation work.

Castellated Beam:
A steel wide-flange section whose web has been cut along a zigzag path and reassembled by welding in such a way as to create a deeper section.

Pouring a liquid material or slurry into a mold whose form it wll take as it solidifies.

Casting Bed:
A permanent, fixed form in which precast concrete elements are produced.

Concrete that is poured in its final location; sitecast.

Cast Iron:
Iron with too high a carbon content to be classified as steel.

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A low-range sealant.

Cavity Wall:
A masonry wall that includes a continuous airspace between its outermost wythe and the remainder of the wall.

A metal framing member whose cross-sectional shape resembles the letter C.

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Ceiling Attenuation Class (C.A.C):
An index of the ability of a ceiling construction to obstuct the passage of sound between adjacent rooms.

Cellular Decking:
Panels made of steel sheets corrugated and welded together in such a way that hollow longitudinal cells are created within the panels.

Cellular Raceway:
A rectangular tube cast into a concrete floor slab for the purpose of housing electrical and communications wiring.

A complex polymeric carbohydrae of which the structural fibers in wood are composed.

A temperature scale on which the freezing point of water is established as 0 and the boiling point as 100 degrees.

A substance usd to adhere material together; in concrete work; the dry powder that, when it has combined chemically with the water in the mix, cements the particles of aggregate together to form concrete.

Having cementing properies, usually with reference to inorganic substances, such as portland cement and lime.

Temporary formwork for an arch, dome, or vault.

Centering Shims:
Small blocks of synthetic rubber or plastic used to hold a sheet of glass in the centre of its frame.

Ceramic Tile:
Small, flat, thin clay tiles intended for use as wall and floor facings.

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A device used to support reinforcing bars.

A flattening of a longitudinal edge of a solid member n a plane that lies at an angle of 45 degrees to the adjoining planes.

A steel or aluminum section shaped like a rectangular box with one side missing.

Chlorinated Polyethylene:
A plastic material used in roof membranes.

Chorosulfonated Polyethylene:
A plstic material used in roof membranes.

A top or bottom member of a truss.

C-H Stud:
A steel wall framing member whose profile resembles a combination of letter C and H, used to support gypsum panels in shaft walls.

A device for holding a steel wire, rod, or cable securely in place by means of steel wedges in a tapering cylinder.

Churn Drill:
A steel tool used with an up-and-down motion to cut through rock at the bottom of a steel pipe caisson.

A material used as the exterior wall enclosure of a building.

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A tool for holding two pieces of material together temporarily; unfired bricks piled in such a way that they can be fired without using a kiln.

Class A,B,C Roofing:
Roof covering materials classified according to their resistance to fire when tested in accordance with ASTM E108. Class A is the highest, and Class C is the lowest.

Cleanout Hole:
An opening at the base of a masonry wall through which mortar droppings and otherdebris can be removed prior to grouting the interior cavity of the wall.

Clear Dimension, Clear Opening:
The dimension between opposing inside faces of an opening.

Climbing Crane:
A heavy-duty lifting machine that raises itself as the building rises.

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A fused mass that is an intermediate product of cement manufacture; a brick that is overburned.

The last masonry unit laid in a course, a partial masonry unit used at the corner of a header course to adjust the joint spacing ; a mechanical device used for regulating the closing action of a door.

Cohesive Soil:
A soil such as clay whose particles are able to adhere to one another by means cohesive and adhesive forces.

Cold-formed Steel construction:
Steel framing composed of members that were created by folding sheet steel at room temperature.

Cold-rolled Steel:
Steel rolled to its final form at a temperature at which it is no longer plastic.

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Cold-worked Steel:
Steel formed at a temperature at which it is no longer plastic, as by rolling or forging at room temperaure.

Collar Joint:
The vertical mortar joint between wythes of masonry.

Collar Tie:
A peice of wood nailed across two oppposing rafters near the ridge to resist wind uplift.

An upright structural member acting primarily in compression.

Column Cage:
An assembly of vertical reinforcing bars and ties for a concrete column.

Column-cover-and spandrel System:
A system of cladding in which panels of material cover the columns and spandrels with horizontal strips of windows filling the remaining portion of the wall.

Column Spiral:
A continuous coil of steel reinforcing used to tie a concrete column.

Column Tie:
A single loop of steel bar, usually bent into a rectangular configuration used to prevent spreading of the vertical bars in a concrete column.

Combination Door:
A door with interchangeable inserts of glass and insect screening, usually used as a second, exterior door and mounted in the same opening with a conventional door.

Combination window:
A sash that holds both insect screening and a retractable sheet of glass, mounted in the same frame with a window and used to increase its thermal resistance.

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Common Bolt:
An ordinary carbon steel bolt.

Common Bond:
Brickwork laid with each five courses of stretches followed by one course of headers.

A material or assembly made up of two or more materials bonded togetherto act as a single structural unit.

Composite Column:
An upright structural member, acting primarily in compression that is composed of concrete and steel structural shape, usually a wide-flange or a tube.

Composite construction:
Any element in which concrete and steel, other that reinforcing bars, work as a single structural unit.

Composite Metal Decking:
Corrugated steel decking manufactured in such a way that it bonds securely to the concrete floor fill to form a reinforced concrete deck.

Composite Wall:
A masonry wall that incorporates two or more different types of masonry units, such as clay bricks and concrete blocks.

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A squeezing force.

Compression Gasket:
A synthetic rubber strip that seals around a sheet of glass or a wall panel by being squeezed tightly against it.

Compressive Strength:
The ability of a structural material to withstand squeezing forces.

Concave Joint:
A motar joint tooled into a curved, indented profile.

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Concealed Grid:
A suspended ceiling framework that is completely hidden by the tiles or panels it supports.

A stuctural material produced by mixing predetermined amounts of portland cement, aggregates, and water, and allowing this mixture to cure under controlled conditions.

Concrete Block:
A concrete masonry unit, usually hollow, that is larger than a brick.

Concrete Masonrt Unit (CMU):
A block of hardened concrete with or without hollow cores, designed to be laid in the same manner as a brick or stone, a concrete block.

Water formed as a result of condensaion.

The process of changing from gaseous to a liquid state, especially as applied to water.

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A steel or plastic tube through which electrical wiring is run.

Continuous Ridge Vent:
A screened, water-shielded ventilation opening that run continuously along the ridge of a gable roof.

A person or organization that undertakes a legal obligation to do construction work.

Control Joint:
An intentional, linear discontinuity in a structure or component, designed to form a plane of weaknesswhere cracking can occur in response to various forces so as to minimize or eliminate cracking elsewhere in the structure.

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Controlled Low-strength Material (CLSM):
A concrete that is purposely formulated to have a very low but known strength, used primarily as a backfill material.

A heat exchange device that uses the heat in steam, hot water, or an electric resistance element to warm the air in a room; often called, inaccurately, a RADIATOR.

The removal of a portion of the flange at the end of a steel beam in order to facilitate connection to another member.

Coped Connection:
A joint in which the end of one member is cut to match the profile of the other member.

A protective cap on the top of a masonry wall.

Coping saw:
A handsaw with a thin,very narrow blade, used for cutting detailed shapes in the ends of wood moldings and trim.

A large molecule composed of repeating patterns of two or more chemical units.

A spanning device in which masonry units in successive courses are cantilevered slightly over one another, a projecting bracket of masonry or concrete.

A thick gypsum panel used primarily in shaft walls.

Corner bead:
A metal or plastic strip used to form a neat, durable edge at an outside corner of two walls of plaster or gypsum board.

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The exterior detail at the meeting of the wall and a roof overhang, a decorative molding at the intersection of a wall and a ceiling.

Oxidation, such as rust.

Corrosion Inhabitor:
A concrete admixture intended to prevent oxidation of reinforcing bars. Corrugated: Pressed into a fluted or ribbed profile.

A flashing turned down from above to overlap another flashing up from below so as to shed water.

A hoizontal layer of masonry units one unit high;a horizontal line of shingles or siding.

Laid in courses with straight bed joints.

Cove base:
A flexible strip of plastic or synthetic rubber used to finish the junction between resilient flooring and a wall.

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A space that is not tall enough to stand in, located beneath the lowest floor of a building.

A permanent inelastic deformation in a material due to changes in the material caused by the prolonged application of a structural stress.

Cripple Stud:
A wood wall-framing member that is shorter than full-length studs because it is interrupted by a header or sill.

Cross-grain Wood:
Wood incorporated into a structure in such a way that its direction of grain is perpendicular to the direction of the principal loads on the structure.

Crosslot Bracing:
Horizontal compression members running from one side of an excavation to the other, used to support sheeting.

Crown Glass:
Glass sheet formed by spining an opened holow globe of heated glass.

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A framing member cut from a bent tree so as to form one-half of a rigid frame.

A curl in the cross section of a board or timber caused by unegual shrinkage or expansion between one side of the board and the other.

The hardening of concrete, plaster, gunnable sealant, or other wet materials. Curing can occur through evaporation of water or a solvent, hydration, polymerization, or chemical reactions of various other types, depending on the formulation of the material.

Curing Compound:
A liquid that, when sprayed on the surface of newly placed concrete, forms a water-resistant layer to prevent premature dehydration of the concrete.

Curtain Wall:
An exterior building wall that is supported entirely by the frame of the building, rather than being self-supporting or loadbearing.

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