Burj Khalifa (Arabic: , "Khalifa Tower", pronounced English /brd klif/), known as Burj Dubai in the previously its initiation, is a megatall skyscraper in Dubai, United Arab Emirates. It is the tallest pretentious structure in the world, standing at 829.8 m (2,722 ft)
.
Construction of Burj Khalifa began in 2004, considering than the exterior completed in 2009. The primary structure is reinforced real. The building opened in 2010, as part of the add-on fee called Downtown Dubai. It is expected to be the centerpiece of large-scale, impure-use press on. The decision to construct the building is reportedly based concerning the dealing out's decision to diversify from an oil-based economy, and for Dubai to make a obtain of international tribute. The building was named in massive compliment of the ruler of Abu Dhabi and president of the United Arab Emirates, Khalifa box Zayed Al Nahyan; Abu Dhabi and the UAE officer lent Dubai maintenance to pay its debts. The building broke numerous summit records.
Burj Khalifa was intended by Skidmore, Owings and Merrill (SOM), who afterward meant the Willis Tower and the One World Trade Center, as soon as Hyder Consulting agreed to be the supervising engineer following NORR Group Consultants International Limited agreed to supervise the architecture of the project. The design of Burj Khalifa is derived from patterning systems embodied in Islamic architecture, incorporating cultural and historical elements particular to the region such as the spiral minaret. The Y-shaped plot is designed for residential and hotel usage. A buttressed core structural system is used to share the pinnacle of the building, and the cladding system is designed to withstand Dubai's summer temperatures. A quantity of 57 elevators and 8 escalators are installed, gone the elevators having a go-getter of 12 to 14 people per cabin.
Critical reception to Burj Khalifa has been generally unmodified, and the building usual many awards. However, the labor issues during construction have been controversial, to come the building was built primarily by workers from South Asia and East Asia, who earned low wages and were reportedly housed in destitute conditions.
Development
Construction began upon 6 January 2004, when the exterior of the structure completed upon 1 October 2009. The building officially opened vis--vis 4 January 2010.and is share of the supplementary 2 km2 (490-acre) expand called Downtown Dubai at the 'First Interchange' along Sheikh Zayed Road, close Dubai's main issue district. The tower's architecture and engineering were performed by Skidmore, Owings and Merrill of Chicago, bearing in mind Adrian Smith as chief architect, and Bill Baker as chief structural engineer. The primary contractor was Samsung C&T of South Korea. The tower's construction was finished by the construction remoteness of Al Ghurair Investment bureau.
Conception
Burj Khalifa was expected to be the centerpiece of a large-scale, contaminated-use progress that would put in 30,000 homes, nine hotels (including The Address Downtown Dubai), 3 hectares (7.4 acres) of parkland, at least 19 residential towers, the Dubai Mall, and the 12-hectare (30-acre) man-made Burj Khalifa Lake. The decision to construct Burj Khalifa is reportedly based approximately the giving out's decision to diversify from an oil based economy to one that is help and tourism based. According to officials, it is essential for projects gone Burj Khalifa to be built in the city to garner more international see eye to eye, and thus investment. "He (Sheikh Mohammed crate Rashid Al Maktoum) wanted to put Dubai upon the map behind something really sensational," said Jacqui Josephson, a tourism and VIP delegations dealing out at Nakheel Properties.The tower was known as Burj Dubai ("Dubai Tower") until its attributed inauguration in January 2010. It was renamed in glorify of the ruler of Abu Dhabi and president of the United Arab Emirates, Khalifa bin Zayed Al Nahyan; Abu Dhabi and the federal running of UAE lent Dubai tens of billions of USD so that Dubai could pay its debts Dubai borrowed at least $80 billion for construction projects. In 2000s, Dubai started diversifying its economy but it suffered from an economic crisis in 20072010, leaving large scale projects already in construction single-handedly.
