Author: Green, W A
1 January 1923
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Green, W A
The Paper describes the renewal of the inner rail-troughs and the buckled plating of the floor of the bridge, the strengthening of the cross transoms of the internal viaducts, and the provision of additional cross bracing between the main girders of the approach spans. The rails which form the up and down lines on the bridge are carried on timber waybeams, laid in four continuous steel troughs. The two outer troughs form the top boom of the main girders of both the north and south approach spans and the internal viaducts. The two inner railtroughs, on the other hand, are carried on cross transoms which span between, and connect to, the side plates of the top booms of these girders. From bay 4 of the cantilevers, where the internal viaduct terminates, to the ends of the cantilevers and accoss the central spans, the four troughs are carried on cross transoms spanning between the bottom booms of the cantilevers and the main girders of the central spans. William Alexander Fraser
This number of the Journal marks a new era in the history of the Institution. First of all, it bears for the first time the new title of the Institution; and secondly the size, and, it is intended, the matter included, are both enlarged.
The following article is the outcome of an argument in which the writer contended, (and subsequentlv proved by experiment) that, with less than half-an-hour’s explanation, he could get boys of fourteen to draw, as quickly as experts, bending moment diagrams for beams subject to moving to centrated loads. An engineer’s time should be too valuable for such work, which should come within the province of the ofice boy. W.G. Sheppard