(Download) "Scientific American Supplement, No. 586, March 26, 1887" by Various Authors ~ eBook PDF Kindle ePub Free
eBook details
- Title: Scientific American Supplement, No. 586, March 26, 1887
- Author : Various Authors
- Release Date : January 01, 2012
- Genre: Antiques & Collectibles,Books,Lifestyle & Home,
- Pages : * pages
- Size : 1742 KB
Description
The viaduct is composed of seven semicircular arches, each end arch being built of ashlar masonry, and of 6 meters (19 ft. 8 in. ) diameter; five intermediate arches, 15 meters (49 ft. 2 in. ) in diameter, are of iron. The four central piers are of iron erected on pillars of ashlar masonry. The metallic part of this viaduct is 80 meters (262 ft. 6 in. ) long, and is constructed in the following manner: The arches, and the longitudinal girders which they support, are made of two Barlow rails riveted together, with an iron plate ½ inch thick placed between them. The spandrels are formed of uprights and diagonals, the former being made of four angle-irons, and the latter of one angle-iron.
 "Scientific American Supplement, No. 586, March 26, 1887" by Various Authors ~ eBook PDF Kindle ePub Free){kind=link}