File:The railroad and engineering journal (1887) (14572248388).jpg

Identifier: railroadengineer63newy (find matches)
Title: The railroad and engineering journal
Year: 1887 (1880s)
Authors:
Subjects: Railroad engineering Engineering Railroads
Publisher: New York : M.N. Forney
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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sition and allow of its being thrown to theright or left as may be necessary. If the stationary engineis not on the lead frame it can be put upon the rear of thecar, and it, together with the necessary fuel, will serve asa counterbalance to the leads and hammer. It is often a good plan to run out guy-ropes each sidefrom the top of the leads in order to render them securewhen a cross pull is brought upon them in lifting the pilesinto place. In case no small, suitable stationary engine is available,the hammer can be raised by attaching the line to thedraw-bar of a locomotive. This method is slow and initself very expensive. The matter of expense, however, isone of minor importance provided the work can be pushed. A CORRECTION. In Chapter XVI, in the October number of the Journal,page 473, the equation written : should read : ^XB^ frx H P X L 4ES • and in the sentence following the word mu////>/zfd shouldread employed. Author. (to be continued.) 522 THE RAILROAD AND (November, 1889.
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Id i-j >JO z o H -w H U (^X o H O~ yj uSH > a M zo CO MQ U DC 02< Vol. LXIII, No. II.) ENGINEERING JOURNAL. 523 THE VIAUR VIADUCT. (From Le Genie Civil.) The plan for the Yiaur Viaduct, a model of which isseen in the Paris Exposition, has been made for the cross-ing of the valley of the Viaur on the new line from Car-maux to Rodez, and is the result of a competition arrangedby the Government for the design and construction of thiswork. The Commission of engineers appointed to examine theplans submitted by different constructors has chosen thatsubmitted by the Societe de Construction des Batignolles,and this selection has been approved by the Minister ofPublic Works, who has ordered the construction of thisimportant bridge by the company named. The engravingshows the general plan and arrangement of the work. Inthese illustrations, fig. i is the general elevation ; fig. 2 aplan ; fig. 3 a section on the line e f; fig. 4 a section onthe line a b ;

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