The Mile High Dream

by Joseph P. Colaco, President; CBM Engineers, Inc., Houston, TX,

Serial Information: Civil Engineering—ASCE, 1986, Vol. 56, Issue 4, Pg. 76-78

Document Type: Feature article


For the 1986 Tall Buildings Conference in Chicago, a group of experts studied the implications of a mile high skyscraper to be built of concrete. It is 500 ft square at the base, designed as a trussed megatube with diamond-shaped windows. There are 21 modules, each 100 ft square, that drop off at various heights, similar to the Sears Tower, leaving a single module at the top. The technology is currently available, as is the maximum concrete strength required, 14,000 psi. It would be mixed on-site and hoisted to within the 1,000 ft pumping range. In a sidebar, reasons are given why the structure could be steel or composite steel/concrete design.

Subject Headings: Steel structures | Concrete | High-rise buildings | Trusses | Windows | Strength of materials | Hoisting | Pumps

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