T definitions - Building Terms Dictionary



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

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Tackleess strip:
A wood strip with projecting points used to fatsen a carpet around the edge of a room.

Tagline:
A rope attached to a building component to help guide it as it is lifted by a crane or derrick.

Tapered edge:
The longitudinal edge of a sheet of gypsum to allow room for rienforcing tape and joint compound.

Tee:
A metal or prescast concrete menber with a cross section resembling the letter T.

Tempered glass:
Glass that has been heat-treated to increase its toughness and its resistance to breakage.

Tendon:
A steel strand used for prestressing a concrete member.

Tensile strength:
The ability of a structural material to withstand strtching forces.

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Tensile stress:
A stress caused by stretching of a material.

Tension:
A stretching force,to stretch.

Tension control bolts:
A bolt tightened by means of a splinted end that beaks off when the bolt shank has reached the required tension.

Terne:
An alloy of lead or tin,used to coat sheet of carbon steel to stainless steel for use of metal roofing sheet.

Terrace door:
A double glasss door,one leaf of which is fixed,and the other hinged to the fixed leaf at the centerline of the door.

Terrazzo:
A finish floor material consisting of concrete with an aggregate of marble chips selected for size and color,which is ground and polished smooth after curing.

Thatch:
A thick roof covering of reeds,straw,grasses, or leaves.

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Thermal break:
A section of material with a low conductivity, installed between metal components to retard the passage of heat through a wall or window assembly.

Thermal bridge:
A conponent of higher thermal conductivity that conducts heat more rapidly through an insulated building assembly, such as a steel stud in an insulated stud wall.

Thermal conductivity:
The rate at which a material conducts heat.

Thermal insulation:
A material that greatly retards the passage of heat.

Thermal rsistance:
The resisitance of a material or assembly to the conduction of heat.

Thermoplastic:
Having the property of softening when heated and rehardening when cooled.

Thermosetting:
Not having the property of softening when heated.

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Thrust:
A lateral or inclined force resulting from the structural action of an arch,vault,dome,suspension structure, or rigid frame.

Thrust block:
A wooden block running prependicular to the stringers at the bottom of a stair, whose function is to hold the stringers in place.

Tie:
A device for holding two parts of a construction together; a structural device tht acts in tension.

Tie back:
A tie,one end of which is anchored in the ground, with the other end used to support sheeting around an excavation.

Tie beam:
A reinforced concrete beam cast as part of a masonry wall, whose primary purpose is to hold the wall together,especially against seismic loads, or cast between a number of isolated foundation elements to maintain their relative positions.

Tier:
The portion of a multistory steel building frame supported by one set of fabricated column pieces,commonly two stories in height.

Tie rod:
A steel rod that acts in tension.

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Tile:
A fired clay product that is thin in cross section as compared to a brick, either a thin , flat element (ceramic tile or quarry tile), a thin,curved element (roofing tile),or a hollow element with thin walls(flue tile,tile pipe, structuralclay tile) also a thin, flat elemnt of another material, such as an acoustical ceiling unit or a resilient floor unit.

Tilt/turn window:
A window that may open either as a casement window or a hopper window or a hopper window.

Tilt-up construction:
A method of constructing concrete walls in which panels are cast and cured flat on a floor slab,Then tilted up into their final positions.

Timber:
Standing trees, a large piece of dimension lumber.

Tinted glass:
Glass that is colored with pigments,dyes, or other admixtures.

Toe nailing:
Fastening with nails driven at an angle.

Tongue-and-groove:
An interlocking edge detail for joining planks and panels.

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Tooling:
The finishing of a mortar joint or sealant joint by pressing and compacting it to create a particular profile.

Top-hinged inswinging window:
A window that opens inward on hinges on or near its head.

Topping:
A thin layer of concrete cast over the op of a floor deck.

Topping-out:
Placing the last member in a building frame.

Top plate:
The horizontal member at the top of a stud wall.

Topside vent:
A water-protected opening through a roof membrane to relieve pressure fromwater vapor that may accumilate beneath the membrane.

Torque:
Twisting action,turning.

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Torisonal stress:
Stess resulting from the twisting of a structural member.

Tracheids:
The longitudinal cells in a softwood.

Traffic deck:
A walking surface placed on top of a roof membrane.

Transit-mixed concrete:
Concrete mixed in a rotating drum on the back of a truck and it is transported to the building site.

Travertine:
A richly patterned, marblelike form of limestone.

Tread:
one of the horizontal planes that make up a stair.

Termie:
A large funnel with a tube attached,used to deposit concrete in deep forms or beneath water and slurry.

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Ttrim accessories:
Casing beads,corner beads,expansion joints, and other devices used to finish edges and corners of a plaster wall or ceiling.

Trimmer:
A beam that supports a header around an opening in a floor or roof frame.

Trowel:
A thin,fat steel tool,either pointed or rectangular, provided with a handle and held in the hand,used to manipulate mastic,mortar,plaster,or concrete. Also, a machine whose rotating steel blades are used to finish concrete slabs;to use a trowel.

Truss:
A triangulated arrangement of structural members that reduces nonaxial external forces to a set of axial forces in its members.

Tuck pointing:
The process of removing deteriorated mortar from the zone near the surface of a brick wall and inserting fresh mortar.

Tunnel kiln:
A kiln through which clay products are passed on railroad cars.

Turn-of-nut method:
A method of achieving the correct tightness in a high-strength bolt by first tightening the nut snugl, then turning it a specified additional fraction of a turn.

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Two-way action:
Bending of a slab or deck in which bending stresses are approximately equal in the two principle of the structure.

Two-way concrete joist system:
A reinforced concrete framing system in which columns directly support an orthogonal grid of intersecting joists.

Two-way flat plate:
A reinforced concrete framing system in which columns directly support a two-way slab that is planar on both its surfaces.

Two-way flat slab:
A reinforced concrete system in which columns with mushroom capitals and /or drop panels directly support a two-way slab that is planar on both its surface.

Type X gypsum board:
A fiber-reinforced gypsum board, used where greater fire resistance is required.


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