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UltraRope announced to one-stop zoom up tall buildings

Posted June 13, 2013


Elevator tech has hit a wall, or at least the wrong floor of the person’s destination, with limitations that are unable to accommodate the world’s tallest buildings. As buildings rise, logistical demands rise with them. The weight of steel cable does not make it easy for elevators to zoom straight to the top. Instead, they reach a limit and that is it. For example, people going up in a 828-metre-high tower, such as in Dubai, need to switch lifts once they have reached the top mark in one elevator, going over for another. Elevators today are also subject to severe strains such as building sway, potentially knocking them out of service under especially poor weather conditions.


“There comes a point when existing solutions can be taken no further. Current elevator technology has taken us as far as it can and refinement simply isn’t enough,” the elevator company KONE of Espoo, Finland, asserted. Its newly announced hoisting technology solution is something called UltraRope. The announcement was made in London this month as an international conference on tall buildings got under way. Increasingly, tall buildings are growing taller. Nearly 600 buildings of 200 meters or more are under construction or planned over the next few years. Three buildings in the world top the 500-meter mark, and 20 more such buildings are planned.

The new system means elevators can zoom up to the top of a very high skyscraper in a single run, for heights of up to 1000 meters, which is twice as high as what is possible with today’s technology, according to KONE.

As for materials, UltraRope has a carbon fiber core with high friction coating. The carbon fiber core lasts longer than conventional steel ropes, said KONE. UltraRope is highly resistant to wear and abrasion and, unlike steel, the structure does not densify and stretch.

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