Merriman, Mansfield, 1848-1925, Jacoby, Henry Sylvester, b. 1857 · New York Wiley · leaf 21
s 2, J, and 4 successively. Thus, R^l - 1 7i//2 = - -^^ zi>n, CONTINUOUS BRIDGES. Chap. I. from which R^ = + |i zv/-; also R^ = +|| w/, and Ro = +1| w/.Here, from the symmetry of the spans and load, it is plain thatR^ = R^, and that R^ = R.^. Prob. 2. A continuous beam has three spans, each 6… … Art. 4. The Theorem of Three Moments. The moments at the supports of a continuous girder arededuced by help of the theorem of three moments, a demon-stration of which will now be given. Let /^ and /g, in Fig. 3, represent two consecutive spans of acontinuous beam, having the loads P^ and P^ at the…
Bridges · Roofs
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
