The Burj Khalifa in Dubai, United Arab Emirates is the tallest man-made structure ever built. Construction began in 2004 and was completed in 2009, with the building officially opening in January 2009. The tower was designed to expand Dubai's economy beyond oil to focus on tourism and financial services. Some challenges in construction included running out of funds, but the project was completed on schedule after additional funding was provided.

1. BURJ KHALIFA
By Annina

2. WHEN AND WHERE
WAS THE STRUCTURE
BUILT?
The Burj Khalifa is a skyscraper in Dubai United
Arab Emirates.
The construction began on 21 September 2004
and it was completed on October 2009, but the
building officially opened on January 4 2009.

3. WHY WAS THE
STRUCTURE BUILT?
WHAT WAS/IS ITS
PURPOSE?
The decision to build the Burj Khalifa is based
on the government's decision to expand from an
oil-based economy into an economy that is more
focused on tourism and finacial survices.

4. WHAT ARE THE
ARCHITECTURAL FEATURES
THAT MAKE THIS STRUCTURE
SPECIAL?
The tower is designed by Skidmore, Owings and
Merrill, which also designed the Willis
Towers(that is by the way the tallest building in
Chicago). The architects where inspired by a
flower.(see photo) The Burj Khalifa uses the
bundled tube designs.

6. WHAT WERE SOME OF THE
CHALLENGES ENGINEERS FACED
WHEN BUILDING THIS
STRUCTURE? HOW DID THEY
OVERCOME THESE?
The Burj Khalifa had some difficulties because
the building company ran out of money to
complete the building but then Scheich
Mohammed came and supported the company by
giving the needed money.

7. HOW LONG DID IT
TAKE TO COMPLETE
THE BUILDING OF
THE STRUCTURE?
They began with building on 21 September
2004, and it was completed on 1 October 2009.
So it took nine day‘s and four years to build.

8. FUN FACTS ABOUT
THE BURJ KHALIFA
1. In the Burj Khalifa is a hotel from the famouse
designer Giorgio Armani.
http://www.youtube.com/watch?v=2tn7Oocdwl
A, but the Armani hotel is not the only hotel
there are 9 hotels, about 19 residential towers,
Dubai Mall, the Burj Khalifa Lake and 30,000
homes. Burj Khalifahas the World’s highest
elevator installation and also World’s fastest
elevators at 18 m/s compared to previous of
Taipei 101 which was 16.83 m/s.

9. MATH ABOUT THE
BURJ KHALIFA
Architectural 828 m (2,717 ft)[3]
Tip 829.8 m (2,722 ft)[3]
Roof 828 m (2,717 ft)[3]
Top floor 584.5 m (1,918 ft)[3]
Observatory 452.1 m (1,483 ft)[3]

10. SOURCES
http://en.wikipedia.org/wiki/Burj_Khalifa
http://www.25facts.com/25-awesome-facts-about-burj-dubai-or-burj-khalifa/

11. Thank you for watching