perfiles metalicos de alma llena
English translation: box girder
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| 07:43 Mar 13, 2004 |
| Spanish to English translations [PRO] Architecture | |||||||
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|  Selected response from: Brigith Guimarães Portugal Local time: 10:04 | ||||||
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| Summary of answers provided | ||||
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| 4 | solid metallic profiles |
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| 5 -1 | box girder |
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Answers
5 hrs confidence: 
solid metallic profiles Explanation: Yo pondría únicamente solid ya que es lo que significa alma llena Eurodicautom: Building - Civil Engineering (BA) (1) TERM de alma llena (1) TERM solid-webbed Document 2 Subject (VE) Transport (TR) (1) TERM viga de alma llena (1) TERM plate girder Document 3 Subject Building - Civil Engineering (BA) (1) TERM viga de alma llena (1) TERM plate girder (2) TERM web plate girder Document 4 Subject Building - Civil Engineering (BA) (1) TERM viga de alma llena (2) TERM jácena de alma llena (1) TERM beam (2) TERM girder beam (3) TERM solid web Document 5 Subject Building - Civil Engineering (BA) (1) TERM arco de alma llena (1) TERM solid web arch Document 6 Subject Building - Civil Engineering (BA) (1) TERM cercha de alma llena (1) TERM solid web truss |
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8 hrs confidence: peer agreement (net): -1
peer agreement (net): -1box girder Explanation: these box girders are used, for instance, in the construction of travelling overhead cranes, portal cranes, etc. Constructed out of steel profiles, types and dimensions depending on the load capacity and spam of the crane. example: http://www.matsuo-bridge.co.jp/english/bridges/basics/girder... Girder Bridge A girder bridge is perhaps the most common and most basic bridge. A log across a creek is an example of a girder bridge in its simplest form. In modern steel girder bridges, the two most common girders are I-beam girders and box-girders. Typical Span Lengths 10m - 200m World's Longest Ponte Costa e Silva, Brazil Total Length 700m Center Span 300m A Matsuo Example Namihaya Bridge If we look at the cross section of an I-beam girder we can immediately understand why it is called an I-beam (illustration #1.) The cross section of the girder takes the shape of the capital letter I. The vertical plate in the middle is known as the web, and the top and bottom plates are referred to as flanges. To explain why the I shape is an efficient shape for a girder is a long and difficult task so we won't attempt that here. A box girder is much the same as an I-beam girder except that, obviously, it takes the shape of a box. The typical box girder has two webs and two flanges (illustration #2.) However, in some cases there are more than two webs, creating a multiple chamber box girder. Other examples of simple girders include pi girders, named for their likeness to the mathematical symbol for pi, and T shaped girders. Since the majority of girder bridges these days are built with box or I-beam girders we will skip the specifics of these rarer cases. Beam bridges A beam or "girder" bridge is the simplest kind of bridge. In the past they may have taken the form of a log across a stream but today they are more familiar to us large box steel girder bridges. There are lots of different types of beam bridges. A beam bridge needs to be stiff. It needs to resist twisting and bending under load. In its most basic form, a beam bridge consists of a horizontal beam that is supported at each end by piers. The weight of the beam pushes straight down on the piers. Under load, the beam's top surface is pushed down or compressed while the bottom edge is stretched or placed under tension. If we imagine that there is an imaginary line running down the centre of the beam this line remains at its original length while the material above is compressed and the material below is stretched. This line is referred to as the neutral axis. The farther apart its supports, the weaker a beam bridge gets. As a result, beam bridges rarely span more than 250 feet. This doesn't mean beam bridges aren't used to cross great distances it only means that there may be a series of beam bridges joined together, creating what's known as a "continuous span." Types of Beam Bridges A Large Box Girder Bridge Image of a Beam Bridge Beams Beams used in buildings may vary in cross sectional shape. Some may be solid or hollow. Below are three different shaped beams. The first beam is a box section, the second an I section beam and the third an L section beam. Solid beams are heavier than hollow beams. Beams like the one's below are given a special cross section for strength and rigidity. They may be as strong as the solid beams but are a lot lighter. We may describe them as having a good strength to weight ratio. |
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