The Burj Khalifa is the tallest building in the world and a global icon. Truly a feat of engineering, the building represents the conceptual heart and soul of the city of Dubai.

At 828m tall, this magnificent structure is located next to Dubai Mall and has drawn visitors from all over the world since opening in 2010. The unmatched Burj Khalifa view can be taken in from not one but two observations decks – the two-storey At the Top on the 124th and 125th floors, as well as one of the world’s highest observation decks (555m) on the 148th floor. 

Location	Dubai
Address	1 Sheikh Mohammed bin Rashid Boulevard
Country	United Arab Emirates
Named for	Sheikh Khalifa

1.Introduction

The Burj Khalifa ( Arabic: برج خليفة Khalifa Tower), known as the Burj Dubai prior to its inauguration in 2010, is a skyscraper in Dubai, United Arab Emirates. It is known for being the world’s tallest building.

onstruction of the Burj Khalifa began in 2004, with the exterior completed five years later in 2009. The primary structure is reinforced concrete and some of the structural steel for the building originated from the Palace of the Republic in East Berlin, the former East German parliament.The building was opened in 2010 as part of a new development called Downtown Dubai. It was designed to be the centerpiece of large-scale, mixed-use development. The decision to construct the building was based on the government’s decision to diversify from an oil-based economy, and for Dubai to gain international recognition.[citation needed] The building is named in honor of the former president of the United Arab Emirates, Khalifa bin Zayed Al Nahyan; Abu Dhabi and the UAE government lent Dubai money to pay its debts. The building broke numerous height records, including its designation as the tallest building in the world.

Construction began on 12 January 2004, with the exterior of the structure completed on 1 October 2009. The building officially opened on 4 January 2010 and is part of the 2 km2 (490-acre) Downtown Dubai development at the ‘First Interchange’ along Sheikh Zayed Road, near Dubai’s main business district.

2.History

History of height increases

There are unconfirmed reports of several planned height increases since its inception. Originally proposed as a virtual clone of the 560 m (1,837 ft) Grollo Tower proposal for Melbourne, Australia’s Docklands waterfront development, the tower was redesigned by Skidmore, Owings and Merrill.Marshall Strabala, a Skidmore, Owings and Merrill architect who worked on the project until 2006, said in late 2008 that Burj Khalifa was designed to be 808 m (2,651 ft) tall.

The architect who designed it, Adrian Smith, felt that the uppermost section of the building did not culminate elegantly with the rest of the structure, so he sought and received approval to increase its height.[citation needed] It was stated that this change did not add any floors, which fit with Smith’s attempts to make the crown more slender.

Milestones

Burj Khalifa and skyline of Dubai, 2010

• January 2004: Excavation commences
• February 2004: Piling starts.
• 21 September 2004: Emaar contractors begin construction.
• March 2005: Structure of Burj Khalifa starts rising.
• June 2006: Level 50 is reached.
• February 2007: Surpasses the Sears Tower as the building with the most floors.
• 13 May 2007: Sets record for vertical concrete pumping on any building at 452 m (1,483 ft), surpassing the 449.2 m (1,474 ft) to which concrete was pumped during the construction of Taipei 101, while Burj Khalifa reached the 130th floor.
• 21 July 2007: Surpasses Taipei 101, whose height of 509.2 m (1,671 ft) made it the world’s tallest building, and level 141 reached.
• 12 August 2007: Surpasses the Sears Tower antenna, which stands 527 m (1,729 ft).
• 12 September 2007: At 555.3 m (1,822 ft), becomes the world’s tallest freestanding structure, surpassing the CN Tower in Toronto, and level 150 reached.
• 7 April 2008: At 629 m (2,064 ft), surpasses the KVLY-TV Mast to become the tallest human-made structure, level 160 reached.
• 17 June 2008: Emaar announces that Burj Khalifa’s height is over 636 m (2,087 ft) and that its final height will not be given until it is completed in September 2009.
• 1 September 2008: Height tops 688 m (2,257 ft), making it the tallest human-made structure ever built, surpassing the previous record-holder, the Warsaw Radio Mast in Konstantynów, Poland.
• 17 January 2009: Topped out at 829.8 m (2,722 ft).
• 1 October 2009: Emaar announces that the exterior of the building is completed.
• 4 January 2010: Burj Khalifa’s official launch ceremony is held and Burj Khalifa is opened. Burj Dubai was renamed Burj Khalifa in honour of the President of the UAE and ruler of Abu Dhabi, Sheikh Khalifa bin Zayed al Nahyan.
• 10 March 2010: Council on Tall Buildings and Urban Habitat certifies Burj Khalifa as world’s tallest building.

3.Advantages

The Burj Khalifa set several world records, including:

• Tallest existing structure: 829.8 m (2,722 ft) (previously KVLY-TV mast – 628.8 m or 2,063 ft)
• Tallest structure ever built: 829.8 m (2,722 ft) (previously Warsaw radio mast – 646.38 m or 2,121 ft)
• Tallest freestanding structure: 829.8 m (2,722 ft) (previously CN Tower – 553.3 m or 1,815 ft)
• Tallest skyscraper (to top of spire): 828 m (2,717 ft) (previously Taipei 101 – 509.2 m or 1,671 ft)
• Tallest skyscraper to top of antenna: 829.8 m (2,722 ft) (previously the Willis (formerly Sears) Tower – 527 m or 1,729 ft)
• Building with most floors: 163 (previously World Trade Center – 110)
• World’s highest elevator installation (situated inside a rod at the very top of the building)
• World’s longest travel distance elevators: 504 m (1,654 ft)
• Highest vertical concrete pumping (for a building): 606 m (1,988 ft)
• World’s tallest structure that includes residential space
• World’s highest installation of an aluminium and glass façade: 512 m (1,680 ft)
• World’s highest nightclub: 144th floor
• World’s highest restaurant (At.mosphere): 122nd floor at 442 m (1,450 ft) (previously 360, at a height of 350 m (1,148 ft) in CN Tower)
• World’s highest New Year display of fireworks.
• World’s largest light and sound show staged on a single building.

In June 2010, Burj Khalifa was the recipient of the 2010 “Best Tall Building Middle East & Africa” award by the Council on Tall Buildings and Urban Habitat. On 28 September 2010 Burj Khalifa won the award for the best project of the year at the Middle East Architect Awards 2010.

• Height to architectural top
  Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the architectural top of the building. This includes spires but does not include antennae, signage, flagpoles or other functional-technical equipment. This measurement is the most widely used and is used to define the Council on Tall Buildings and Urban Habitat rankings of the Tallest Buildings in the World.
• Highest occupied floor
  Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest continually occupied floor within the building. Maintenance areas are not included.
• Height to tip
  Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest point of the building, irrespective of material or function of the highest element. This includes antennae, flagpoles, signage and other functional-technical equipment.

What is Burj Khalifa famous for?

Not only is Burj Khalifa the world’s tallest building but it has also broken two other impressive records: tallest structure, previously held by the KVLY-TV mast in Blanchard, North Dakota, and tallest free-standing structure, previously held by Toronto’s CN Tower.

Burj Khalifa + Desert Safari

Explore the desert while dune driving and watching the sunset over the dunes. You’ll be able to ride a camel, smoke shisha, wear traditional clothing, get a henna tattoo or simply enjoy the star-filled desert sky. All the activities are included.

Dinner some barbeque under the stars, where you can try different kinds of meat, starters, salads, and typical sweet treats from the region. The final touch is the various shows, among which is you can enjoy the famous belly dance.

Burj Khalifa tickets + Dubai Aquarium

See two of Dubai’s most popular attractions. First, visit the Burj Khalifa up to the 124^th and 125^th floor and then explore Dubai Aquarium & Underwater Zoo, with thousands of fish and hundreds of sharks.

Burj Khalifa + Dhow Dinner Cruise

Experience a luxurious dinner cruise along the quiet waters of Deira Creek and witness amazing performances by Arabic singers performing traditional songs, creating a lively atmosphere.

4.Disadvantages

The critical reception of Burj Khalifa has been generally positive, and the building has received many awards. However, there were numerous complaints concerning migrant workers from South Asia who were the primary building labour force. These centered on low wages and the practice of confiscating passports until duties were complete.

5.company

Burj Khalifa was designed by a team led by Adrian Smith of Skidmore, Owings & Merrill, the firm that designed the Sears Tower in Chicago, a previous record holder for the world’s tallest building. Hyder Consulting was chosen to be the supervising engineer with NORR Group Consultants International Limited chosen to supervise the architecture of the project. The design is derived from the Islamic architecture of the region, such as in the Great Mosque of Samarra. The Y-shaped tripartite floor geometry is designed to optimize residential and hotel space. A buttressed central core and wings are used to support the height of the building. Although this design was derived from Tower Palace III, the Burj Khalifa’s central core houses all vertical transportation except egress stairs within each of the wings.

At a certain point in the architectural and engineering process, the original Emaar developers experienced financial problems and required more money and economic funding. Sheikh Khalifa, the then-ruler of the United Arab Emirates, granted monetary aid and funding, hence the changing of the name from “Burj Dubai” to “Burj Khalifa”. The concept of profitability derived from building high-density developments and malls around the landmark has proven successful. Its surrounding malls, hotels, and condominiums in Downtown Dubai have generated the most revenue from the project as a whole, while the Burj Khalifa itself made little or no profit.The tower’s architecture and engineering were performed by Skidmore, Owings & Merrill of Chicago, with Adrian Smith as chief architect, and Bill Baker as a chief structural engineer.The primary contractor was Samsung C&T of South Korea, together with local company Arabtec and the Belgian group BESIX.

Artful interior design

With more than 3 million square feet of interior space at Burj Khalifa, planning and interior design began at the earliest stages of structural and architectural development. In designing the lobbies, guest amenities, lounges, offices, board room floor and chairman’s suite, SOM’s interiors team took inspiration from the building’s technological achievement as much as from the region’s culture and heritage. The interiors of the highest floors reflect celestial influences, inspired by the notion of a stationary spacecraft.

6.conclusion

Bringing Burj Khalifa to life required a combination of visionary ideals and solid science. In the process, the project amassed an awe-inspiring number of facts, figures, and statistics.

cource: wikipedia _ burjkhalifa _ tourscanner _ parsalandco

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