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Swiss railway field tests white paint to keep tracks from buckling

Source(s): swissinfo.ch - International Service of the Swiss Broadcasting Corporation
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The Rhaetian Railway in the eastern Swiss canton of Graubünden is testing a technique commonly used in Italy to fight the distorting effects of heat on metal: painting the tracks white.

[...]

In theory, the temperature of the tracks could be reduced by as much as seven degrees as a result of the treatment, Yvonne Dünser, a spokesperson for the Rhaetian Railway, told the Swiss News Agency, ATS. The results will be assessed when it is less warm.

[...]

A study by the Swiss Federal Technology Institute ETH Zurich showed that white paint had a positive impact in strong sunlight. The researchers then turned to the Rhaetian Railway as a practical test subject.

[...]

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Hazards Heatwave
Themes Disaster risk management Critical infrastructure
Country and region Switzerland
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