What is a superstructure

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What is a superstructure?
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Definition

• Any building exceeding 1000 ft (300 m) in height
  essentially a skyscraper.
• Almost every current superstructure is among the
  top 10 in a certain category of height
  freestanding, to the top of the antenna, to the
  top of the building itself and including the
  underground floors.

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Requirements

• Almost all superstructures are built in flat
  areas and require a solid base.
• Most of them are not in regions prone to large
  earthquakes, although there are exceptions
  (Tokyo, Western Coast of the US, Taiwan)

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Advantages

• They save a lot of much needed land in cities
  such as Moscow or New York.
• It is undoubtedly prestigious to have a
  skyscraper in your city.

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Disadvantages

• Problems with fire safety and quick evacuation
• Possible terrorist targets
• Have to withstand high winds
• Flight safety regulations
• Extremely expensive to build

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The tallest freestanding structure

• CN Tower, Toronto, Canada
• 553.53 meters to the top of the antenna

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Tallest structure under construction

• Madinat Al-Hareer (City of Silk), Kuwait City,
  Kuwait
• 1001 meters to the top
• Will cost almost 90 billion
• Should be complete by 2030

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Tallest skyscraper

• Taipei 101, Taipei, Taiwan
• 508 meters
• Especially designed to withstand large
  earthquakes
• Completed in 2004

9
Tallest unfinished building

• Ryugyong Hotel, Pyongyang, North Korea
• 330 m (as high as the Eiffel Tower)
• Tallest hotel in the world
• Construction started in 1987 and stopped in 1992
  due to lack of funding

10
Tallest building destroyed

• World Trade Center 1
• Completed in 1973, destroyed in 2001
• 526 meters
• Tallest building in New York for 28 years

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• Thanks for enduring the suffering!