Author: Hammond, B C
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Hammond, B C
THE International Commission on Large Dams of the World Power Conference recently formed an International Committee to consider the problem of cements for large clams. A British Sub-Committee on special cements for use in such structures was appointed. This committee had in view the desirability not only of investigating the behaviour of different cements in respect of the special properties of heat evolution and solubility, but also of ascertaining whether any simplified tests adequate for ordinary routine test purposes could be recommended.
The Armorial Bearings consist of a shield surmounted by a breast-plate, and beneath, a
scroll inscribed with the words "FUNDAMENTO SEMPER STABILI," which, translated, is "Ever on a firm foundation."
FOR the address on vibrations in bridges which I have the honour to deliver this morning, limitations of time preclude any attempt at a comprehensive treatment of the subject, and all I shall aim at is to bring to your notice, without any attempt at proof, one or two rational formule for predicting vibrations in railway bridges, formula which, being rational in contradistinction to empirical, bring into prominence the fundamental principles involved and indicate directions in which further knowledge is required.
Professor C.E. Inglis