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Current issue

ELEKTRO 5/2018 was released on May 16th 2018. Its digital version will be available on June 6th 2018.

Topic: Lightning and overvoltage protection; EFS, EPS; ELO SYS 2018

Main Article
Energy router and its role in smart grids
Smart Cities (part 2 – volume 1)

Cities of the future may be built with locally available volcanic ash

07.02.2018 | MIT | news.mit.edu

MIT engineers working with scientists in Kuwait have found that volcanic rocks, when pulverized into a fine ash, can be used as a sustainable additive in concrete structures.

In a paper published online in the Journal of Cleaner Production, the researchers report that, by replacing a certain percentage of traditional cement with volcanic ash, they can reduce a concrete structure’s “embodied energy,” or the total energy that goes into making concrete.

Cities of future

According to their calculations, it takes 16 percent less energy to construct a pilot neighborhood with 26 concrete buildings made with 50 percent volcanic ash, compared with the energy it takes to make the same structures entirely of traditional Portland cement.

Read more at MIT

Image Credit: MIT

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