The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice (1897)
Johnson, J. B. (John Butler), 1850-1902, Bryan, C. W. (Charles Walter), 1863-1927, Turneaure, Frederick Eugene, 1886- · New York : J. Wiley & Sons · leaf 223
* Principles of Economy in the Design of Metallic Bridges. New York, John Wiley & Sons. T98 MODERN FRAMED STRUCTURES. Niagara bridge, for example, the erection is carried on from each pier to the centre, at least threeof the four pieces, DK, LM, EN, and OP, connecting the suspended span to the… … Fig. 235. as to being prevented from lorigitudinal vibration by the single remaining piece or a similardevice holding it to one of the cantilevers. Where a series of cantilever spans are constructed,each alternate span can thus be erected without falsework. Other than this, the cantileverpossesses…
