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A Mathematical Study of Cantilever Bridge Design
A Mathematical Study of Cantilever Bridge Design
A Mathematical Study of Cantilever Bridge Design
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A Mathematical Study of Cantilever Bridge Design

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This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience.
LanguageEnglish
Release dateSep 16, 2016
ISBN9781473357839
A Mathematical Study of Cantilever Bridge Design

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    A Mathematical Study of Cantilever Bridge Design - D. B. Steinman

    Cantilevers

    STUDY OF CANTILEVERS

    CANTILEVER BRIDGES—HISTORICAL SKETCH

    IN adaptability to long spans and possibility of erection without false-work, the cantilever is the sole competitor of the suspension bridge. Both of these types have attained prominence by remarkable examples of design and construction. With but one exception, however, the suspension type has never been employed for fast railway traffic. Its use has been confined to highway bridges or wherever aesthetic requirements prevailed. The banner bridges of the suspension type, those over the East River, have been attributed to an ingrained fad of the New York Department or Bridges. For long railway spans, the cantilever has almost invariably been given the preference on account of its superior rigidity at a given cost. The longest span in the world (Forth Bridge 1710 ft.) is of the cantilever form, and the Quebec Bridge, now under construction, will raise the record for length of span to 1800 ft.

    Although cantilever design is a comparatively recent development in engineering, the idea is by no means a new one. Bridges of logs, put together on the cantilever principle, have been used in tropical countries since prehistoric times.¹ In 1783, a wooden cantilever bridge of 112-ft. span was reported by

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