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The concept of beam descends from Latin beam, a term used to refer to the car of a couple of horses. The beam, with 'v', allows to identify the curved piece (which can be both iron and wood), present in old cars in order to allow the link between the front and the rear game.

Today, the word goes to the segment of iron or wood of great length and thickness that serves to support the roofs of the constructions or secure the structure . For example: "Be careful, that beam does not seem very firm", "We are going to have to ask the authorities to install new beams to avoid problems with the roof of the museum", “The boss asked me to paint the beams green”.

According to construction experts, the beam is a element that works to flexion, whose resistance causes tension of tension and compression. When the beams are located on the outer perimeter of a floor, torsional stresses may also be noticed.

Various materials are used when making the beams and among all of them the wood has stood out as it has the advantage that it has a great traction capacity. However, in addition to it, and focusing more on today, we have to underline that the most common is that these structures are made of concrete, either prestressed, post-tensioned or reinforced.

The engineering and the architecture They use various formulas to calculate the slopes and deformations of the beams when they are subjected to different types of charges. These data are essential for the development of the constructions.

In the field of architecture we also have to underline the existence of a construction that is called a beam bridge. Specifically this can be defined as that bridge that is characterized because its different openings are supported by beams. This simplicity is the advantage that it is one of the most used types of bridges, especially highlighting the fact that it is frequently used in the construction of pedestrian crossings on different highways.

Another use of the beam concept is linked to the press formed by a wood of considerable size and horizontal format, which is articulated at one end and is loaded with weights at the opposite vertex with the purpose of achieving through it the compression of what is placed below when descending with the help of a guide.

In addition to all of the above, we have to make clear that there are different expressions that are used using the aforementioned concept that we are addressing. Thus, in Mexico it is common to hear the adverbial phrase “throw the beam” with which it is tried to express that a person is rebuking another for some specific reason.

Nor can we ignore that Viga is the name of a Madrid rock group that has been on the stage for more than three decades. There are several setbacks and changes that this training has had to face, which has several recordings on the market, among which are "Electrokalambrera", "With a pair ... of bricks" or "Building Rock & Roll".

Beam, finally, is the serving of ground olive which is pressed and compressed repeatedly in the mills to obtain oil .

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