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US pioneers faster construction

By: Language: English Series: Building Today ; 197(5806) 18 May 1989, 22-23(2)Publication details: 1989Subject(s): Summary: Describes the top-down method of construction, a fast-track technique used on the world`s tallest concrete structure, the South Wacker Tower in Chicago . Highlights the benefits of this unconventional technique.

Describes the top-down method of construction, a fast-track technique used on the world`s tallest concrete structure, the South Wacker Tower in Chicago . Highlights the benefits of this unconventional technique.