Iron Applied to Railway Structures: Comprising an Abstract of Results of Experiments Conducted Under the Authority of the Commissioners Appointed by Her Majesty to Inquire Into the Application of Iron to Railway Structures. With Practical Notes, and Illus
Iron Applied to Railway Structures: Comprising an Abstract of Results of Experiments Conducted Under the Authority of the Commissioners Appointed by Her Majesty to Inquire Into the Application of Iron to Railway Structures. With Practical Notes, and Illus
Excerpt from Iron Applied to Railway Structures: Comprising an Abstract of Results of Experiments Conducted Under the Authority of the Commissioners Appointed by Her Majesty to Inquire Into the Application of Iron to Railway Structures, With Practical Notes; And Illustrated by Plates and Descriptions Of Despite these severe conditions, however, the examples of cast-iron bridges for the Older highways, were not to be disregarded or avoided by the engineers of the new, and with the celebrated structures of Colebrook Dale and ...
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Excerpt from Iron Applied to Railway Structures: Comprising an Abstract of Results of Experiments Conducted Under the Authority of the Commissioners Appointed by Her Majesty to Inquire Into the Application of Iron to Railway Structures, With Practical Notes; And Illustrated by Plates and Descriptions Of Despite these severe conditions, however, the examples of cast-iron bridges for the Older highways, were not to be disregarded or avoided by the engineers of the new, and with the celebrated structures of Colebrook Dale and Southwark before them, the designers of railway-works at once boldly determined to enlist in their own hard service, the material so well applied by Rowland Burdon and John Rennie in a less imposing duty. Burdon's bridge, thrown over the Wear at Sunderland, consists of one arch having six parallel ribs, each of which is built up or composed of separate segmental castings, corresponding with the voussoirs of a stone arch. The span of this arch is 236 feet, and each of the six ribs is composed of 1 05 blocks or frames of cast-iron, each five feet deep and four feet in width or thickness, the several parts of each block being connected with bars and cotters of wrought iron. The ribs are fixed at the distance of six feet from each other, and are braced together with tubes and bridles of cast iron. The arch contains 214 tons of cast iron and 46 tons of malleable iron. This bridge was projected in 1 7 90, constructed at Rotherham, and completed within a period of three years. Southwark Bridge, over the Thames, (opened on the 25th March, 181 consists of three arches, and contains a total weight of 4585 tons of metal. The dimensions of the arches, &c. Are as follows z - Centre arch, span 240 feet; rise 24 feet. Span of side arches, each 210 feet. Piers 24 feet thick. Road way over bridge 2 8 feet wide, and footways seven feet each. Metal in centre arch 1 665 tons. Ditto in side arches 2920 tons. In this bridge the ribs of the arches are plates, fitted together in segments, and braced and connected, transversely, with diagonal frames of cast iron. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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