To wash the 24,348 windows, totaling 120,000 m² of glass, the building has three horizontal tracks which each holding a 1,500 kg bucket machine. The 280,000-square-meter skyscraper contains office, residential, and retail space, along with a Giorgio Armani hotel. N.p., n.d. The third segment included the construction of three tower wings. At this point, Burj Khalifa became the world’s tallest free-standing structure. The project is located in Dubai, Dubai, United Arab Emirates. Hyder Consulting's role was to supervise construction, certify the architect's design, and be the engineer and architect of record to the UAE authorities. The building construction and architecture view was proposed in 2003, commenced in 2004 and took six years for full completion. The diameter of piles is 0.9 m and piles were extending 35 m below the base of the raft. advertisement. 4 January 2010 Inauguration and renaming of the tower to Burj Khalifa. The glass covers more than 174,000 m² (1,870,000 sq ft) in area. Sorry, you do not have permission to ask a question, You must login to ask question. Optimum formwork system was provided to meet the requirement of tower construction along with the height of the tower. Also, the Y-shaped plan was considered to reduce the effect of wind load on the building. The Burj Khalifa is the world’s tallest structure with a height of 828 m and has a total of 163 floors. As the tower rises, one wing at each tier sets back The Burj Khalifa Tower was opened to the public in January 2010. At the tip of the tower, 225 mm to 250 mm thick two-way reinforced concrete flat slabs were provided. 25 Nov. 2016. The triangular shape of the building can be considered as a direct descendant of Burj Khalifa, particularly, it also uses the buttress core as its major structural stability system. Burj Khalifa, Khalifa also spelled Khalīfah, mixed-use skyscraper in Dubai, U.A.E., that is the world’s tallest building, according to all three of the main criteria by which such buildings are judged (see Researcher’s Note: Heights of Buildings). Today, Burj Khalifa Is the Tallest Structure in the World (Or Is It?) All rights reserved. Lost your password? What are the Reasons Behind the Growth of UAE's Construction Industry? The structure of the following essay is divided into two main parts: part one is on the issue of project management, and part two is the case study example of the Burj Khalifa project. From an initial concept through completion, a combination of several important technological innovations and innovative structural design methods have resulted in a superstructure that is both efficient and robust. 3 compare the concept, shape, and height of other well-known super-tall high rise towers. The tower was constructed by Samsung C&T from South Korea, which also did work on the Petronas Twin Towers and Taipei 101. Sign Up to The Constructor to ask questions, answer questions, write articles, and connect with other people. Chat with us between 8.00 AM to 9 PM (GST) Please click here to read our privacy policy To construct the tower of such magnitude within a very tight schedule. The structural and geotechnical features of the Burj Khalifa Tower, such as the geology of the area, foundation design, construction process, and pile load testing program have been discussed in this article. Built of reinforced concrete and clad in glass, the tower is composed of three elements arranged around a central buttressed core. M-60 to M-80 grade of concrete made from fly-ash was used in the construction of the Burj Khalifa Tower. Structural System Material The tower superstructure of Burj Khalifa is designed as an all reinforced concrete building with high performance concrete from the foundation level to level 156, and is topped with a structural steel braced frame from level 156 to the highest point of the tower. Factor of safety against uplift was 2 due to which the uplift pressure was influencing the compressive capacity of the piles. Unlike many tall towers with multi-layered floor plates, a Y-shaped floor plan was adopted for the Burj Khalifa to enlarge the view and provide tenants with plenty of natural light. Medium-thick to extremely loose granular silty sands (marine deposits) were present at a few meters below the base. The idea behind the design of Burj Khalifa originated from the geometry of the indigenous desert flower of Saudi Arabia, while the design patterns of the tower personify Islamic architecture. However, within the interior core, flat slab with beams was provided to provide more lateral resistance. Corporate offices and suites fill most of the remaining floors, except for the 122nd, 123rd, and 124th, where the At.mosphere restaurant, sky lobby and an indoor and outdoor observation deck are located, respectively. The structure’s three wings, which form the shape of a Y, connect back to the core, which is hexagonal in shape. The Burj Tower in Dubai was officially opened in January of this year and since then has been accessible to the public. Rebar pre-fabrication was used for a faster construction process and to reduce human error in rebar fabrication. The ACS work was divided into three segments. It was way more effective than the conventional bentonite drilling fluid because it enhanced the workability of the piles beyond expectations. Under normal conditions, when all building maintenance units are operational, it takes 36 workers three to four months to clean the entire exterior. Fig. 25 Nov. 2016. Which country provides highest salary to the civil engineer? The structure of the following essay is divided into two main parts: part one is on the issue of project management, and part two is the case study example of the Burj Khalifa project. Wind tunnel testing and shape modifications facilitate a much taller structure. The raft foundation bottom and all sides were protected with waterproofing membrane. The ground conditions were made up of a horizontally stratified subsurface profile, which was extremely variable and complicated due to the nature of deposition and the common hot-dry weather conditions. After that, the wing wall was constructed in continuation with the construction of the wing flat slab. The first one consisted of loading on seven trail piles before the construction of the foundation. In just 1,325 days since excavation work started in January, 2004, Burj Khalifa became the tallest free-standing structure in the world. Thus, a liquefaction assessment was carried out. In addition, it has a podium around the base of the structure. In addition to the tower, there are some 30,000 residential homes; 9 hotels (excluding those within the tower); 19 residential towers; 7.4 acres of parkland; a huge manmade lake covering an area of 30 acres, and as is to be expected, a glittering new shopping mall. All the mechanical properties, such as modulus of elasticity, tensile strength, and compressive strength of concrete were calculated. The following points describe the construction sequence of the superstructure of the Burj Khalifa Tower: Raft and pile foundation was used for the construction of the tower. However, the skin friction capacity of piles was fully mobilized above 30 m although significant skin friction capacity was available below 30 m. The maximum settlement was within 70 mm for individual pile, which was way below the limit. RECORD-BREAKING FIREWORKS: In 2011, Dubai welcomed the New Year with the world’s highest firework display at Burj Khalifa. Rising 828 meters over the desert metropolis of Dubai, the Burj Khalifa tower is the world's tallest structure. These programs were commenced soon after the development of mix design criteria and continued until the last phase of the construction process. The basic structure of the Burj Khalifa is a central hexagonal core with three lobes (wings) clustered around it, as shown in Fig. An outline of the history of project management is offered, followed … The crucial difficulties in designing the tower were encountered while carrying out a cost-effective foundation design, where the soil and rock conditions were poor, and a substantial amount of wind load had to be resisted. REGISTER FOR FREE. 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