Achievements In Engineering During The Last Half Century

Paperback | July 9, 2012

byLeveson Francis Vernon-harcourt

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1891 edition. Excerpt: ...each side of the towers, and both assist in supporting the two shore spans, and the portion of the long span roadway nearest the towers, and brace the roadway to reduce its deflection under heavy loads. After the foundations of the piers had been laid, the piers built, and the towers erected, the Erection, Width and Cost of Brooklyn Bridge. 145 first travelling wire rope was passed over one of the towers in 1876, conveyed by a steamboat across the river, and after being passed over the other tower, the rope, which was allowed to drop to the bottom of the river whilst its end was carried across, was drawn tight at a moment when the channel was free from shipping; and the first step towards connecting Brooklyn with New York was thus accomplished. A second travelling rope was similarly established and connected with the first; and by aid of this continuous wire rope, a temporary suspended platform was erected, on which the strands of the cables were then gradually put in place; and, lastly, the suspending ropes, and the platform of the bridge were fixed. The bridge has a width of 85 feet, separated into five divisions; the centre one, 15 feet wide, and raised 12 feet above the rest of the bridge, forms a footway, on each side of which there is a line of rails for a rope railway, worked by a stationary engine on the Brooklyn side; and on the outside there is a roadway for carriages and carts, 19 feet wide, on each side. The bridge, therefore, carries two roadways, two lines of railway, and a footway. The bridge was opened in 1883; and it cost about £3,100,000, about three times the original estimate. For seven years the Brooklyn Bridge remained the bridge with by far the largest span in the world; but the Forth Bridge deprived it of this...

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1891 edition. Excerpt: ...each side of the towers, and both assist in supporting the two shore spans, and the portion of the long span roadway ne...

Format:PaperbackDimensions:82 pages, 9.69 × 7.44 × 0.17 inPublished:July 9, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217163262

ISBN - 13:9780217163262

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