beam bridge

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beam bridge

[′bēm ‚brij]
(civil engineering)
A fixed structure consisting of a series of steel or concrete beams placed parallel to traffic and supporting the roadway directly on their top flanges.
References in periodicals archive ?
The company s corrugated metal deck forms will be fabricated in a customized manner for each bridge, and then incorporated along with pre-stressed concrete beams, steel beam bridges and built-up girders.
The prestressed concrete beam bridges also have greater economy in larger-span bridge structures.
The bridges mentioned above are all prestressed concrete continuous beam bridges.
Based on the initial statistical analysis, the relationship between the annual average rate of deflection (f) and the length of the main span (L) of long-span prestressed concrete beam bridges is as following (Xu 2008):
Though the timing of the maintenance and the renovation of the two steel beam bridges coincided with summer, a period when traffic is usually less than the rest of the year, the impact on the flow of traffic was felt by every motorist in the city," a spokesman for the Directorate of Public Works (DPW) admitted.
Beam bridges are straight shapes in which the downward forces are balanced by numerous supporting piers.
Have your students spend some time making a list of the advantages of an arch bridge over a beam bridge and then write a clear and persuasive argument.
Text describes the development and details of the techniques that result in bridges of heavy stone, cantilevered beam bridges, floating bridges, and the intricate but utilitarian covered "rainbow bridges" that can be found throughout the country.
11] Because these bridges have no butt joints, they provide improved load distribution characteristics when compared to stressed sawn lumber beam bridges with butt joints.
With the exception of a some brief essays discussing the role of bridges in American transportation, types of bridge design, and the need for bridge preservation programs, the vast bulk of the material consists of 919 captioned illustrations (primarily black and white photographs) depicting beam bridges, arch bridges, truss bridges, movable bridges, and suspension and cable- stayed bridges around the country.
Beam Bridges--A simple beam bridge is similar in design to a log across a stream, except that the deck (the part of the bridge you can walk or drive on) is supported at both ends.
Both arch and beam bridges are designed to handle the forces of compression caused by the weight of traffic traveling over them.