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The Chairman introduced the Author and referred to a previous paper "Mortar Tests as a Guide to the Strength of Concrete" which in collaboration with Dr. W. H. Glanvillc, hc had presented to the Institution in 1934.
THE results of a series of tests on triangulated trusses are presented. The trusses were fabricated from rolled steel sections and welded to blocks at the joints. Four were made in the form of two bay Warren trusses, and three in the shape of simple triangles. They appear to confirm previous theory as to the prediction of their collapse loads, and of the deflection of the members.
J. G. Nutt
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