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The Structural Engineer, Volume 42, Issue 1, 1964
Mr. A. Jennings, Lecturer in the Civil Engineering Department of the University of Manchester, writes: ‘The standard methods of solution of linear redundant structures are all formulated in terms either of the unknown forces or of the unknown displacements and use the flexibility or stiffness properties of the structure to effect a solution. The method of solution of free cable problems advocated in this paper is peculiar in that it does not formulate the analysis directly in terms of either the unknown displacements or the unknown forces, and no concept of stiffness or flexibility is introduced.
A discussion meeting will be held on Thursday 9 January 1964 at the Institution, when the above subject will be under review.
This paper reports on loading tests made on a pair of prestressed steel girders designed for use in an elevated roadway scheme in London. The consulting engineers were engaged in preparing a report comparing various forms of construction before recommending the most suitable scheme to the clients, and the tsets were carried out as part of this investigation. E. V. FINN and F. H. NEEDHAM