Engineering Wonders of the World
Volume I

Forfatter: Archibald Williams

År: 1945

Serie: Engineering Wonders of the World

Forlag: Thomas Nelson and Sons

Sted: London, Edinburgh, Dublin and New York

Sider: 456

UDK: 600 eng - gl.

Volume I with 520 Illustrations, Maps and Diagrams

Transport

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Ny teknologi, nye muligheder

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Side af 486 Forrige Næste
THE DEVELOPMENT OF THE BRIDGE. 107 work ” or scaffolding that would be required for the erection of a large girder. The ends of tions must be found, the choice of the design is largely governed by the nature of the site. (Fig- 19.) each cantilever are joined by a short connect- ing span or suspended girder.. As every bridge requires abutments and, if of more than one span, piers, for which founda- (Fig. 20.) The engineer is invariably expected to provide the cheapest structure that will meet the case efficiently.
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