Tuesday, August 16, 2022

Low, slow trains and rails painted white

emergency. The expansion of rail has forced the United Kingdom to disrupt rail service in large areas. , network rail

The English countryside, a haven of peace with ‘cottages’ and charming train stations, has been the scene of this week’s episode, to which public transport is not accustomed. Network Rail, the Spanish counterpart in charge of infrastructure, is warning its users to travel throughout the week only when strictly necessary and check train departures due to an avalanche of cancellations and slowdowns of travel. In the heat, which has closed the railing, a fire broke out and the catenary was damaged.

Company sources have indicated that its network is about 32,000 kilometers long on any given day, nine fewer than Wednesday, when “due to the effects of heat, each kilometer of track was stretched 30 centimeters.” In this scenario they also warned that, in the future, they “may consider changing engineering standards to deal with hot summers and mild winters.”

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Network Rail announced in the network that the expansion of the tracks had expanded its network to 9 km. has extended

According to the public company, rails are ‘prestressed’ to help them withstand higher temperatures, but while in the UK their stress-free level is 27º, in countries such as Spain, exposed to hot climates, this limit is higher. . The sleeper and ballast should always keep the tracks in place, but in summer, with temperatures of 40º—which can reach 20 और on rails, so in some places they are painted white—the risk of buckling increases. . In addition, the faster the trains move, the greater their force, which is why if the heat they are not accustomed to is added to more pressure, their speed decreases.

concrete more expensive

There are countries where sleepers and ballast cannot expand and concrete slabs cannot be used to hold the rail, a process that drives up to four times the price they point to from network rail, and This limits its use to only a few routes. There’s an additional problem, technicians agree, and that is whether it’s appropriate to adapt infrastructure to a warmer climate; when winter comes, it will lead to failures and cracks due to the effects of cold-associated contraction. Faced with this situation, it’s worth asking what’s better, whether to cut back a few days a year or face a hefty bill to renew.

Nation World News Desk
Nation World News Deskhttps://nationworldnews.com
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