Burj Khalifa : Construction Technology, Concept, Architecture | The Architect’s Empire

Architect of Burj Khalifa: Adrian Smith (Skidmore, Owings & Merrill)

Total height: 829.8 m (2,722ft.)

Floors: 154+9

Floor area : 309,473 m2 (333110 sq.ft.)

Burj Khalifa, situated in Dubai, United Arab Emirates is currently the tallest building in the world. It got open to the public in 2010. Burj Khalifa is a mixed-use property that serves as a hotel, luxury residential, and office.
It’s right in the middle of a busy downtown, with roads, freeways, surrounding buildings, and places to walk. Its plaza has some amazing landscaping with various plant beds, sidewalks, shade coverings, and benches. On its rear side, are the Dubai fountains that hold some spectacular shows.
The highest occupied floor is level 160, and above this point is the spire. The earlier tallest building, before Burj Khalifa, was Taipei 101 which was 632 m tall.
Let’s talk about its design and concept :


Spider Lily Flower


Aerial View



Burj Khalifa’s design is based on the concept of a flower called Spider Lily, which is the regional desert flower of UAE. The bottom of the building has a Y-shape, almost like a flower with petals on its sides. To overcome the wind loads, the first thing considered by the architects and engineers is the shape of the structure. Therefore, without any damage, the Y-shape of the Burj Khalifa allows the wind to pass.


Fazlur Rahman Khan introduced a tubular structure system. To attain the height of Burj Khalifa, the same tubular structure has been used. The structure used in Burj Khalifa is a Bundled Tube Structure, which consists of narrow steel cylinders clustered together to form a thicker column. As the building of Burj Khalifa extends upwards, one of the three petals shrinks in a rotating pattern. This gives us a spiral effect, all the way to the top. The bundled tube structure adds more strength to the structure of Burj Khalifa, as it eliminates internal wind braces, minimizing the amount of steel needed for high towers.




The other thing which has been considered is the construction materials used in Burj Khalifa. The primary materials are concrete, steel, glass, silicone, and aluminum, which together make up the outside façade of the tower. The foundation of the Burj Khalifa itself is made of 45,000 m3 concrete, which weighs more than 110,000 tonnes. Moreover, the concrete and steel foundation features 192 piles buried which is more than 50 m (164 ft.) deep. The construction comprises 330,000 m3 of concrete and 39,000 tonnes of steel rebar. The entire structure took 22 million man-hours.




The building has three main entrances: hotels, offices, and residential apartments respectively. All these spaces are present on different floors, providing a defined space for each. Now, let’s understand how the building is working:


From level 0 to 8 with level 38 and 39, we have The Armani Hotel Dubai. Levels 9 to 16, are for the exclusive luxurious residential apartments. Next from level 45 to 108 are the offices. On level 43, 76 and 123, are the exclusive sky lobbies, featuring state-of-the-art fitness facilities including Jacuzzis on level 43 and 76. At level 122 is a restaurant and on level 124 is the tower’s public observatory.
An entire floor is dedicated to the mechanical rooms, between these floors, for the building to work properly.
Above all is the spire of the building, where visitors are not allowed

Tallest Building




Elevators, escalators, and stairs, all the main services, are present in the main core of the building. Around 57 elevators with eight escalators are installed in the building. The elevators can accommodate about 12 to 15 people and have a travel speed of 10 meters per second. Burj Khalifa’s double-deck elevators are the world’s fastest elevators. As these elevators are assigned to serve some defined floors, so none of them is serving the entire structure. To reach the top, passengers need to bypass the floors. These elevators provide an express service to the passenger, by automatically assigning the passengers traveling to the same or the other floors. Passengers are kept entertained with the video screen installed inside the elevators, as it is a long way up.


The hotel floors consist of three corridors. Each corridor consists of one or two bedrooms that vary in size, all the way to a large and spacious luxurious hotel suite at the very end. Each room gets an incredible view.



As of right now, Burj Khalifa is still the tallest building in the world, which may change in the coming years. As you may know, different countries, try to showcase their strength by building skyscrapers.



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