Publisher's Synopsis
Excerpt from Transactions of the American Society of Civil Engineers, Vol. 51: December, 1903
The determination of the de?ections for the Special types Of Open webbed, elastic frameworks often met in the practice of the bridge engineer has received much attention, and very exact solutions are made for these problems by both graphical and analytical methods.
The determination Of the de?ections for solid-webbed girders, which is Of equal theoretical interest and Often of great practical importance, however, has been confined chie?y to girders with a constant moment Of inertia, and such determinations have usually been made by means Of the equation Of the elastic curve. It is the purpose Of this paper to give a more general method for determining the de?ections Of solid webbed girders under ?exure, and to illustrate its application to the forms Of girders most frequently met in practical bridge construction. The plate-girder drawbridge, owing to its frequent use, is one of the most important structures with which the bridge engineer has to deal. Application Of the general formula to this case has been made, with the Object Of giving a simple method of making a better design for the girders and end-lifting machinery for these bridges.
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