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The Structural Engineer, Volume 52, Issue 6, 1974
Sir Rowland Baker: My comments relate to the similarity between parts of Mr. Hansen's proposals and the Balaena scheme.
On Sunday 24 March 1974, one of the two cooling towers in the middle of Halifax had its legs cut by blasting but it did not fall, and it now remains sitting on its bottom edge leaning in the correct predetermined direction. J.H.A. Crockett
The experience gained in the Department of Civil Engineering, Liverpool University in the use of a computing system for interactive structural design is discussed. The design process is examined and reveals the necessity for efficient man-machine communication between designer and machine. Conversational mode of operation and visual display facilities are shown to provide a convenient means of achieving such communication. The engineer retains control of the design process at all stages, and uses the speed and memory of the computer to assist him in the evolution of a satisfactory scheme. Examples of three diverse applications are presented. F. Sawko and R.J. Cope