On the theory and calculation of continuous bridges (1876)
Merriman, Mansfield, 1848-1925, Making of America Project · New York, D. Van Nostrand · leaf 27
course itsreaction. For example, a girder of sixequal spans has at its middle support areaction of I8t w I. The moment at any support will be afractional part of ivl^or 7. Moment = B w l^ B being a fraction given in the followingtriangle ; in which like the precedingone the spaces indicate the… … 23 The triangles can be extended to anyrequired length by the application of thefollowing law which obtains in &\\ obliquecolumns. Any fraction belonging to aneven number of spans, may be obtainedby multiplying both numerator and denominator of the preceding fraction bytwo and adding the…
Bridges · Girders, Continuous
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