English:
Identifier: railroadengineer62newy (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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in.diameter and about 14 in. long, supported by small piecesof steel f in. square placed 12 in. apart on an anvil, wasstruck 21 blows with a 35-lb. sledge, without result. Itwas then placed under the steam hammer and given 18blows, which caused it to deflect \ in., the last blow break-ing it in two pieces. The comparison of this cast gun with the built-up steelguns may develop some interesting points. Action of Salt Water on Cast-Iron Piles. Some interesting experiments are reported by the IndianEngineer, which were recently made to test the conditionof cast iron after a long period of e.xposure to salt water.These experiments were made by Mr. Hargrave, ResidentEngineer of the Bombay, Baroda & Central India Rail-road, and the special object was to ascertain whether therewas any danger affecting the foundations of a number ofbridges on the road, which rested upon piers formed by 120 THE RAILROAD AND (March, 1888.
Text Appearing After Image:
° O I M >J a: o w a Vol. LXII, No. 3.) ENGINEERING JOURNAL. clusters of cast-iron columns. The particular columnchosen for the experiment was one taken from pier No. 37of the bridge at South Bassein, which spans a tidal estuarywhere the water is sea or salt water. This was one of theoriginal columns, put in position in 1862, so that its ageat the time ot the test was 25 years. This column, asshown in the accompanying sketch, was made of joints 9ft. in length, bolted together at the flanges. For conveni-ence of reference^each joint^of^^the^pile^m the^diagram is THE ENGLISH iii-TON GUN. (From the London Eui^hn-er.) 121 Now that the Benbow is approaching completion inevery respect, and al)out to be brought round from Chat-ham^toPortsmouth for a trial of her great iii-tonguns, r ! 1 ^ 0 E US 7 n 1 ^ D e Hi A 1 ? I ? I i r f^ — zi H?- r I )»> f lettered and the test pieces which were cut out are num-bered. Specimens g, cut from joint /•. 8 and 7 from joint E,both of which were
Note About Images
The 111-ton gun is also known as the BL 16.25 inch Mark I naval gun. It was mounted on HMS Benbow (1885) and a few other ships. The carriage shown is a proof mount; it was not a railway gun.
Note About Images
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