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An Ordinary Meeting of the Institution of Structural Engineers was held at 11, Upper Belgrave Street, London, S.W.1, on Thursday, March 2nd, 1944.
It is thought that the following data, which can be used as an alternative to the more usual tabulated method of analysis for the solution of this class of frame, might be of interest, particularly to the junior member. The simple form of integration used will be explained in detail, therefore, knowledge of the calculus is not required. Certain assumptions are made, and these will be noted. The example chosen to illustrate the method is shown in Fig. 1. Principals of portal frame design will be taken as read. The thod is applicable to frames generally of the type indicated which have members of constant moment of inertia. In the frame under discussion, one equation of elasticity is required to find the magnitude of true horizontal thrusts. The equation, which is quite well known, will be repeated for reference. It is:-
BEFORE we can discuss the design of the Coal Staith and, for the benefit of those who are not familiar with Power Station layout, some idea must be given of the method employed to keep the Station supplied with the necessary fuel.