The East-Sullivan Headframe

THE sliding-form method of erecting concrete structures was first devised and used in the early part of this century by the Sante Fe Railroad Company for the erection of a grain elevator at Santa Fe, New Mexico.
Keywords: Concrete, Construction, headframe, Montreal, Reinforced concrete, sheaves, Headframes, Load, Shafts, Skips, steel, Steels, Structure
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