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Current issue

ELEKTRO 12/2017 was released on December 6th 2017. Its digital version will be available on January 5th 2018.

Topic: Measurement, measuring devices and engineering; Testing and diagnostics

Main Article
Measurements on rotating machines using SFRA method
Application possibilities of ultra-capacitors or LiFePO4 batteries in trolley network of the Brno Public Transit Company

SVĚTLO (Light) 6/2017 was released on December 11th 2017. Its digital version will be available on january 11th 2018.

Lighting installations
The lighting of university building Centrale Supélec in Saclay in France
The light for our future

Daylight
Application and judgment light guides Solatube®

Plastic Roads Sound Like a Crazy Idea, Maybe Aren’t

17.07.2015 | IEEE Spectrum | spectrum.ieee.org

A Dutch construction company called VolkerWessels is partnering with the city of Rotterdam to create a prototype for a prefabricated plastic road. If it works, it would be durable, fast to construct, and way better for the environment than asphalt.

VolkerWessels’ PlasticRoad concept is ambitious, to say the least. They envision pulling waste plastic out of the oceans, and then processing it into prefabricated sections of road with integrated utility channels and drainage. The composition and structure of the plastic makes it more durable than traditional asphalt, and VolkerWessels estimates that their plastic roads should last about three times as long as traditional roads.

Plastic Roads

Each plastic section can be created in a factory somewhere, and then hauled to where you want your new PlasticRoad to go. The road sections fit together like tiles (making construction very quick), and they’re light enough that you can use them on poor soil without having to put down an expensive foundation first. The hollow inside can be used for water retention, and also to provide a path for utility pipes and cabling.

The things that aren’t addressed by the available information are safety and cost. Will the plastic road be just as safe as an asphalt one in wet conditions? In terms of cost, the plastic road almost certainly would be more expensive, but if it lasts three times longer than conventional roads, makes utility access easier, can be fabricated off-site, and takes less time to install, it seems possible that deploying these plastic roads might actually be cheaper in the long run. You might still have to swallow a much larger up-front cost, but if you’re willing to plan for the future a little bit, it could (maybe) be worth it.

Read more at IEEE Spectrum

Image Credit: VolkerWessels

-jk-