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• A Japanese construction corporation, Kajima, developed an innovative method of demolishing buildings which has been nicknamed "Daruma-Otoshi". The new method cuts demolition time by 20%, and releases less waste into the surrounding air.Gizmodo: Floor-by-Floor Demolition Blows Minds, Saves Environment (July 14, 2008)

• Fast Facts

  1. Named after the Japanese game of "Daruma"Gizmodo: Floor-by-Floor Demolition Blows Minds, Saves Environment (July 14, 2008)
  2. Creates less air pollution than traditional demolition methodsGizmodo: Floor-by-Floor Demolition Blows Minds, Saves Environment (July 14, 2008)
  3. Destroys buildings from the bottom up
  4. Safer than other methods of demolitionPink Tentacle: Video: 'Daruma-otoshi' skyscraper demolition (July 14, 2008)

• The Method in Brief

  The Daruma-Otoshi method on demolition depends on large computer-controlled jacks. These jacks are used to support the building's weight as the support columns and then the building materials are demolished and removed. Once a floor has been completely destroyed, the jacks are lowered, bringing the next floor down to ground level so the process can be repeated.ArtForum: Daruma-otoshi skyscraper demolition (2008)

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