Counter Top Height Table Chair

Completed in January of 2010, the Burj Khalifa in Dubai is currently the world’s tallest building. It stands a whopping 2,717 feet above the ground, more than 1,000 feet taller than the former record holder, Taipei 101. The building was designed by the Chicago architectural firm of SOM, which has designed 5 of the world’s ten tallest buildings. The tower returns the world’s tallest crown to the middle east for the first time since the great pyramids.

Structural Design

The tower uses a three lobed buttress design to combat the forces of wind, which is the most important structural concern of tall buildings. This shape makes for an extremely tall and thin structure. So much so that even though the structure is almost twice the height of the Willis (formerly Sears) Tower in Chicago, it encloses only about half the amount of floor space. The layout does make for an efficient wind resistance from any direction, and also gives ample opportunity for window access in the interior layout.

To construct the tower, the designers used an ultra high performance concrete consisting of silica fume and fly ash was throughout the structure. Traditional concrete’s hardness and consistency are measured using what is called a slump test. A tube is filled with fresh, wet concrete, and then the tube is pulled off.

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