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X-Seed 4000

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X-Seed 4000 (Xシード4000)
X-Sen Shushi 7000 (X線シュシ7000)
General information
StatusProposed
TypeMixed-Use development
LocationTokyo, Japan
Construction started1995
Construction stopped1995
Cost$1.34 trillion (2.74 trillion Yen)
Height
Roof4,000 m
Technical details
Floor count800
Design and construction
DeveloperTaisei Corporation
Known forHeight, Design and Shape

X-Seed 4000 is a visionary megatall skyscraper.[1]

Its proposed 4 km height, 6 km wide sea-base, and 800 floors capacity that could fit 500,000 to 1,000,000 people. This structure would have been made using 3 billion kilograms of steel.

Height comparison between X-Seed 4000 and Burj Khalifa from Dubai.

It was designed for Tokyo, Japan. The design was made by the Taisei Corporation in 1995. It was designed as a future-like environment combining ultra-modern and technological living and interaction with wildlife and nature.[2] Methods of transportation within the X-seed would most likely include MagLev trains.

"The X-Seed 4000 'is never meant to be built'." says Georges Binder, managing director of Buildings & Data, a firm which compiles data banks on buildings worldwide. "The purpose of the plan was to earn some identification for the firm, and it worked."[3]

Air pressure

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Unlike other skyscrapers, the X-Seed 4000 would be forced to protect its occupants from large internal/external air pressure effects and weather rising that its great elevation would cause. Its design calls for the use of solar power to keep internal environmental conditions.[4]

As the proposed site for the structure is located in the Pacific Ring of Fire, the most active volcano range in the world, the X-Seed 4000 would be weak to earthquakes and tsunamis.

Height comparisons

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A sea-based location and a Mount Fuji shape is some of this building's other major design features. The real Mount Fuji is land-based and is 3,776 metres in height. This is 224 metres shorter than the X-Seed 4000.

X-Seed 4000 is planned to be twice the height of the Shimizu Mega-City Pyramid at 2,004 metres.

The Shimizu Mega-City Pyramid for Tokyo was proposed in 2007. This plan also faces most of the same problems as X-Seed 4000.

Others that may be in the top 5 man-made structures are:

References

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  1. "Accelerating Future » X-Seed 4000". web.archive.org. 2008-06-18. Archived from the original on 2008-06-18. Retrieved 2022-10-24.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  2. "Digital Studio - Contemporary Theories of Architecture Brief". web.archive.org. 2006-05-18. Archived from the original on 2006-05-18. Retrieved 2022-10-24.
  3. "X-Seed Inspires Tall Tales | 2007-09-12 | Architectural Record". www.architecturalrecord.com. Retrieved 2022-10-25.
  4. "Accelerating Future » X-Seed 4000". web.archive.org. 2008-06-18. Archived from the original on 2008-06-18. Retrieved 2022-10-25.{{cite web}}: CS1 maint: bot: original URL status unknown (link)