661,380 Ton Precast Structure Towed Out to Sea: The Ninian Central Platform

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Title: 661,380 Ton Precast Structure Towed Out to Sea: The Ninian Central Platform

Author(s): G. Borrmann, F. Sedillot, and I. McLeod

Publication: Concrete International

Volume: 1

Issue: 5

Appears on pages(s): 51-58

Keywords: air-entrained concrete; cast-in-place con-nections; formwork (construction); high-early-strength cements; plasticizers; precast concrete; prestressed concrete; reinforcing steels; slipform construction; structural design.

Date: 5/1/1979

Abstract:
A description of the construction program, design criteria, and method of erecting the Ninian Central Platform, a 512 ft high, precast and slipformed con-crete oil drilling platform weighing over 600,000 tons.