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Longman Dictionary of Contemporary English
girder
noun
COLLOCATIONS FROM CORPUS
■ NOUN
steel
▪ They would strengthen the bridge without making major changes in the steel girder system above that might look out of place.
EXAMPLES FROM CORPUS
▪ A girder is a beam that supports other beams or is made up of separate beams joined together.
▪ As the train approaches a junction, a second bottom girder supports the train on both sides.
▪ Chord sequences register like rivets hammered into girders.
▪ Daak had stopped half-way up the girder and, holding on with one hand, was flailing the air with his chainsword.
▪ It went on a line into the stands and hit the same upright girder.
▪ They crowded whatever elevators still worked or wearily scaled buckled stairways or girders.
▪ They would strengthen the bridge without making major changes in the steel girder system above that might look out of place.
The Collaborative International Dictionary
Girder

Girder \Gird"er\, n. [From Gird to sneer at.] One who girds; a satirist.

Girder

Girder \Gird"er\, n. [From Gird to encircle.]

  1. One who, or that which, girds.

  2. (Arch. & Engin.) A main beam; a stright, horizontal beam to span an opening or carry weight, such as ends of floor beams, etc.; hence, a framed or built-up member discharging the same office, technically called a compound girder. See Illusts. of Frame, and Doubleframed floor, under Double.

    Bowstring girder, Box girder, etc. See under Bowstring, Box, etc.

    Girder bridge. See under Bridge.

    Lattice girder, a girder consisting of longitudinal bars united by diagonal crossing bars.

    Half-lattice girder, a girder consisting of horizontal upper and lower bars connected by a series of diagonal bars sloping alternately in opposite directions so as to divide the space between the bars into a series of triangles.
    --Knight.

    Sandwich girder, a girder consisting of two parallel wooden beams, between which is an iron plate, the whole clamped together by iron bolts.

Douglas Harper's Etymology Dictionary
girder

"main supporting beam that carries flooring," 1610s, agent noun from gird, on notion of something that "holds up" something else. Used of iron bridge supports from 1853.

Wiktionary
girder

n. 1 A beam of steel, wood, or reinforced concrete, used as a main horizontal support in a building or structure. 2 One who girds; a satirist.

WordNet
girder

n. a beam made usually of steel; a main support in a structure

Wikipedia
Girder

A girder is a support beam used in construction. It is the main horizontal support of a structure which supports smaller beams. Girders often have an I-beam cross section composed of two load-bearing flanges separated by a stabilizing web, but may also have a box shape, Z shape and other forms. A girder is commonly used many times in the building of bridges.

In traditional timber framing a girder is called a girt.

Small steel girders are rolled into shape. Larger girders (1 m/3 feet deep or more) are made as plate girders, welded or bolted together from separate pieces of steel plate.

The Warren type girder replaces the solid web with an open latticework between the flanges. This truss arrangement combines strength with economy of materials and can therefore be relatively light. Patented in 1848 by its designers James Warren and Willoughby Theobald Monzani, its structure consists of longitudinal members joined only by angled cross-members, forming alternately inverted equilateral triangle-shaped spaces along its length, ensuring that no individual strut, beam, or tie is subject to bending or torsional straining forces, but only to tension or compression. It is an improvement over the Neville truss which uses a spacing configuration of isosceles triangles.

Usage examples of "girder".

On the other hand, a girder imposes only a vertical load on its piers and abutments, and not a horizontal thrust, as in the case of an arch or suspension chain.

Petit Singe faced the huge, apish driver across the narrow girder of iron.

Over the girders of Barley Bridge, the streets concatenate with the everyday, the monstrous and the beautiful.

The great girder bridges over the Menai Strait and at Saltash near Plymouth, erected in the middle of the 19th century, were entirely of wrought iron, and subsequently wrought iron girder bridges were extensively used on railways.

If the bridge is erected when the river is nearly dry a travelling stage may be constructed to carry the projecting end of the girder while it is hauled across, the other end resting on one abutment.

The convenience of erecting girders on shore is very great, but there is some risk in the floating operations and a good deal of hauling plant is required.

Their greatest pleasure was to sit along a girder and open their amplified senses to the depths of space, watching stars past the limits of ultraviolet and infrared, or staring into the flocculate crawling plaque of the surface of the sun, or just sitting and soaking in watts of solar energy through their skins while they listened with wired ears to the warbling of Van Allen belts and the musical tick of pulsars.

The diving tank was a grey-painted gasometer, reinforced with crisscross girders.

It consists of a pair of tubular girders with solid or plate sides stiffened by angle irons, one line of rails passing through each tube.

Ackbar piloted the Lambda shuttle directly into the forest of girders, Lemelisk looked around, seeing bright flashes of laser welders and the glowing ends of newly smelted durasteel plates that emerged from processing plants.

It was one hundred and fifteen meters long and was comprised primarily of buckycarbon girders, with wrinkled radiation-shield fabric wrapped around module niches, semiautonomous sniffer probes, scores of antennae, sensors, and cables.

Lemelisk felt his heart sink into his paunchy stomach: a large section of the Darksaber outer framework was indeed assembled wrong, girders welded to incorrect counterparts.

Flickering wink of automatic weapons, and the sound of the jacketed bullets on rock, like a thousand ball peen hammers ringing on a girder.

Unseen, he began to climb a steel girder alongside the one that Pocky was so desperately climbing.

The pointman led the line of militiamen and Americans through corridors, along fallen girders, across rows of crates.