Trade Lane Megacities. El ascensor sin cables de ThyssenKrupp

Ya dedicamos una entrada a la invención y al inventor del ascensor. No vamos a repasar las historia de la innovación en ascensores pero el nuevo producto de ThyssenKrupp, un ascensor sin cables y que por lo tanto permite que varias cabinas utilicen el mismo eje o “canal” a la vez, seguro que en el futuros será considerado como un hito importante en este campo. Por ello merece una entrada independiente.

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Están destinados a rascacielos y edificios de altura media (no aclaran a que se refieren). Más concretamente la altura óptima para este tipo de ascensor es de más de 300 metros. Y en realidad en vez de ascensor se trata de una especie de metro, dotado con motores lineales y con capacidad de moverse en vertical u horizontal. Este sistema tiene muchas otras ventajas que describen en un artículo de la página de ThyssenKrupp, de muy recomendable lectura.

Tallest_Buildings_new

Predicen que la eliminación de estas restricciones (una sola cabina en un solo eje y movimiento en horizontal) tendrán importantes consecuencias arquitectónicas. Yo añado que seguramente también en el transporte urbano…

Extracto.

ThyssenKrupp develops the world’s first rope-free elevator system to enable the building industry face the challenges of global urbanization.

MULTI elevator technology increases transport capacities and efficiency while reducing the elevator footprint and peak loads from the power supply in buildings. Several cabins in the same shaft moving vertically and horizontally will permit buildings to adopt different heights, shapes, and purposes. The first MULTI unit will be in tests by 2016. 

Using no cables at all, a multi-level brake system, and inductive power transfers from shaft to cabin, MULTI requires smaller shafts than conventional elevators, and can increase a building’s usable area by up to 25%, considering that, depending on the size of the building, current elevator-escalator footprints can occupy up to 40% of the building’s floor space. The overall increase in efficiency also translates into a lower requirement for escalators and additional elevator shafts, resulting in significant construction cost savings as well as a multiplication of rent revenues from increased usable space.

The significant extra space available is only one of MULTI’s advantages. Although the ideal building height for MULTI installations starts at 300 metres, this system is not constrained by a building’s height. Building design will no longer be limited by the height or vertical alignment of elevator shafts, opening possibilities to architects and building developers they have never imagined possible.

Urbanisation and the global elevator market

Urbanisation is an unstoppable trend, and the scale of movement of people to cities has redefined the construction and infrastructure requirements needed to keep pace with growing urban populations. An estimated additional 85% of the existing urban and commercial floor space will need to be developed by 2025, according to a 2012 McKinsey Global Institute report, which foresees a need of nearly 58 trillion euros in new construction to meet this requirement. Limitations on space in urban areas means that mid to high-rise buildings are the most viable construction options, translating into an immense demand for elevators. By 2016, the global demand for elevator equipment (including elevators, escalators, and moving walkways) and services is projected to rise over 5% annually to 52 billion euros.

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