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The Structural Engineer, Volume 42, Issue 10, 1964
Mr. W. J. Larnach (Associate-Member) writes:- ‘This paper is of particular interest since it describes a method for the calculation of influence lines which in essence is identical with that which I have presented in an earlier paper1 and in my recent book. The only point of difference is the treatment of the effect of sidesway; the author uses an application of the reciprocal theorem (first proposed, it seems, in his reference 1) whilst I adopted the technique of shear balance.'
The paper describes the structural design and construction of the National Stadium built in Jamaica primarily for the Central American and Caribbean Garncs held in 1962. The most interesting feature is the grandstand and the design of the arch frames and cantilever roof is described in detail. The considerations of differential deflexions which affected the design and methods of construction are discussed and calculations for the design of the arch frames as a two-hinged arch are given in the Appendix. C.J. Evans
The paper discusses the more usual causes of structural failure and deterioration found by the authors in ancient structures. Seven particular problems and their solutions are described: The Divinity School and Bodleian Library, Oxford, The Church of St. Peter Mancroft, Norwich, The Woolhouse, Southampton, All Souls College, Oxford, Chichester Cathedral, Pembroke College, Oxford, Wells Cathedral. E.W.H. Gifford and P. Taylor