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Designing the Burj Khalifa
Reaching a height of 828 metres, the Burj Khalifa in Dubai stands as the tallest structure ever built by humanity. Constructing a building of this magnitude presented unprecedented engineering challenges. Chief among these was managing the immense forces exerted by high-altitude winds.
To prevent the tower from swaying dangerously, architects did not rely on a traditional rectangular framework. What they implemented instead was a Y-shaped floor plan, known as a buttressed core. This design significantly reduces the impact of wind vortices that typically build up around tall structures.
The structural foundation alone required a massive volume of material to ensure stability in the desert sand. Engineers drove 192 concrete and steel piles more than 50 metres deep into the earth. It was this subterranean anchor that provided the necessary support for the half-million tonnes of building above.