The Basis of the Russian railway network are rails R 65 – linear design beam cross-section, which serve for the perception of loads from the rolling stock, elastic “processing” and subsequent transmission to the support – sleepers. The characteristics of these "steel beams" are regulated by GOST R 8161-75. It sets the design and size of hardened and unhardened rail and rail lashes type P65.
Any rails designed for several purposes. First, they perceive and transmit the train loads. It is important to maintain longevity as the subgrade, and wheels. Second, they set the direction of movement of the rolling stock. And finally, they create a platform with the least resistance to rolling of the wheels. The surface of contact of the working elements is a few centimeters (3-5 depending on class path).The Scope of the linear structures is quite extensive. So, the rails R 65 as well as P50, P75 are used for laying ribbon and continuous path of broad gauge. They are also used when creating turnouts. In the latter case, use linear products with a modified profile (RK65).
Rails R65, as well as any other types that are not ordinary I-beam.Specialists classify in the design of several conditional parts:
In addition, within the rail there are two areas located on the left and right side of the neck and occupying the space from the bottom edge of the head to the middle part of the sole. This so-called left and right sinuses. They are wedge-shaped grips, which fasten the rails R 65 with each other on some sections of the road.
Few people wondered why the rail R 65 is just such a form. Meanwhile, each radius of curvature, the flat area and slope were specifically selected experimentally or by calculations, to create optimal conditions for interaction with rolling stock.Most of us know, that has a rail R 65 a weight of 65 kg, which actually is wrong. Exact mass meter is of 64.72 kg. the Other settings have the following meanings:
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Every day enormous loads subjected to the rail R 65. Its weight in the industry of Russia cannot be underestimated. But if not the particular design, he could not cope with its task, would have quickly deformed and needed to be replaced.
All the rails rail (R 65, RK65, R75, R50) is made exclusively from rail steel. It has a high Flexural strength, hardness and wear resistance, which is achieved by high carbon content (0.82 per cent) and the addition of alloying elements – of manganese, vanadium, zirconium, silicon, titanium.М76ВТ – main steel grade used in the manufacture of rail lashes. Depending on the method of obtaining it may be the first (exclusively smelted in open-hearth furnaces) or the second group. Molded or laminated “blank” is a complex multi-stage heat treatment. In many respects, therefore, the rail R 65, the price is at such a high level - from 50 thousand rubles per ton.
Article in other languages:
AR: https://tostpost.com/ar/business/21859-65.html
BE: https://tostpost.com/be/b-znes/39360-reyk-r-65-pryznachenne-ap-sanne-pamery.html
DE: https://tostpost.com/de/business/38872-schienen-r-65-zweck-beschreibung-abmessungen.html
ES: https://tostpost.com/es/centro-de/38653-los-rieles-p-65-destino-la-descripci-n-el-tama-o.html
HI: https://tostpost.com/hi/business/23446-65.html
JA: https://tostpost.com/ja/business/21447-r65.html
KK: https://tostpost.com/kk/biznes/39735-rel-ster-r-65-ta-ayyndaluy-sipattamasy-m-lsher.html
PL: https://tostpost.com/pl/biznes/41466-szyny-p-65-przeznaczenie-opis-wymiary.html
PT: https://tostpost.com/pt/neg-cios/41126-os-trilhos-p-65-finalidade-descri-o-dimens-es.html
TR: https://tostpost.com/tr/business/36290-raylar-r-65-hedef-a-klama-boyutlar.html
UK: https://tostpost.com/uk/b-znes/40203-reyki-r-65-priznachennya-opis-rozm-ri.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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