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July 28 2019

Multi, Maglev lift for skyscrapers of the future

Gianluca Ricciodi Gianluca Riccio
in Technology
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lift maglev

The system allows multiple cabins to move in blocks, horizontally or vertically and using only one compartment. And it can work at very high heights.

The buildings of the future are getting taller. The concentration of people in urban areas and the lack of space will lead to the growth of more and more vertical megacities.

The average height of the major skyscrapers is currently 300 meters, but shows how the Burj Khalifa in Dubai (with its 828 meters) or the Kingdom Tower in Saudi Arabia (1001 meters when finished in 2020) will change the scenario.

The higher the future skyscrapers, the more accurate the technology will have to be. Future tallest skyscrapers in the world will require a totally new one. The current cable-based one has reached the maximum possible development, and it is necessary to innovate for this.

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Horizontal and vertical

Multi, a research and development division of ThyssenKrup, has developed a system that exploits the technology of the linear motor (so to speak, the one underlying the Japanese Maglev). This system allows carriages and cabins to move alone or in blocks, horizontally or vertically: for this reason it has potential both in new lifts and on suspension bridges.

The elevators can become real vehicles able to make us travel inside a skyscraper, or between one skyscraper and another in a city that will develop on several vertical and horizontal floors.

On a technical and economic level, cable lifts begin to suffer with heights exceeding 400 meters. In other words? They become inefficient and unsustainable.

The theoretical capabilities of a Multi “Maglev lift”, the company said, could even cover heights of 5000 meters. On the practical and current level, however, the system can already withstand heights of up to 1600 meters without problems and without loss of efficiency.

I don't know if I am astonished at the data itself or imagine a skyscraper 5 kilometers high.

"Multi is an ideal solution for the United Arab Emirates, the country that most of all is adopting frontier technologies in its urban development," says Prof. Michael Cesarz Miguel, CEO of Multi.

What about earthquakes?

The tallest skyscrapers that house the current elevator technology require increasingly solid and heavy cables, but the oscillations of the skyscrapers due to the wind can put them under real stress, up to requiring the suspension of service on particularly windy days.

Multi does not require cables and allows the use of multiple lift cabins in the same compartment. This solves both the problem of oscillation stress and the problem of oscillations themselves! By reducing the number of elevator shafts in a skyscraper, the wind affects less, and even earthquakes cause less jolts.

"The maglev elevator is not a mass product and costs more than a conventional elevator, but it requires fewer elevator shafts and therefore can be amortized," he says. Cesarz Miguel.

In 5 years everything will change

Multi will show its technology at work during Expo 2020 in Dubai. Of the 20 projects currently under development by the company, 3 are located in the Persian Gulf.

It will take some time, but the road is drawn: nothing smart home, no smart city. The future is cordless and cordless, and has a magnetic appeal.

tags: ElevatorsdubaiUAE
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Gianluca Riccio, copywriter and journalist - Born in 1975, he is the creative director of an advertising agency, he is affiliated with the Italian Institute for the Future, World Future Society and H +, Network of Italian Transhumanists.

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