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The subject of this paper is the design and construction of hangars and workshops together with maintenance aprons which form part of the extension to British European Airways Corporation Engineering Base at London Airport.
P. B. Edwards and R.B. Rigg
Aerated concrete is one of a group of materials described collectively as 'lightweight concrete.' The term 'lightweight concrete' is somewhat arbitrary; in the past it has been customary to consider as 'lightweight, any concrete of dry density not exceeding
100 Ib/cu. ft., but the use of reinforced units has led to concretes with a density of 110-115 or even to 120 Ib/cu. ft.
A. Short and W. Kinniburgh
The authors have presented an interesting method for the rapid estimation of maximum bending moments in decks of suspension bridges. Their approximate analysis draws to a
logical conclusion the more general method described by Bowen and Charlton (reference 3 of the paper). It is clear that the use of symmetry and antisymmetry offers a considerable computational advantage :two sets of three linear simultaneous equations are solved far more quickly than one set of six.
F. Van der Woude, M.S. Gregory and H.I.A. Hegab