. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 612 ERECTION OF THE GOKTEIK BRIDGE. present. The single towers consist of two transverse trestle lients, braced together in all directions. The double tower consists of three trestle bents. So far as practicable, the members of all bents were made interchangeable. Except seven plate-girder spans, located at the ends of the viaduct, all of the connecting spans are made up of two l'2()-ioot deck trusses. These trusses carry. 27-inch plate-gir
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 612 ERECTION OF THE GOKTEIK BRIDGE. present. The single towers consist of two transverse trestle lients, braced together in all directions. The double tower consists of three trestle bents. So far as practicable, the members of all bents were made interchangeable. Except seven plate-girder spans, located at the ends of the viaduct, all of the connecting spans are made up of two l'2()-ioot deck trusses. These trusses carry. 27-inch plate-girder floor beams spaced 13 feet. Traveler supporting columns during tower construction. apart, which in turn support the track stringers. The top flanges of the trusses, floor beams, and stringers are made flush, and are covered over with a solid floor of flve-sixteenth inch flat plates. To handle the material a special traveler was designed and con- structed at the works of the Pennsylvania Company, shipped to Asia with the l)ridge material, and put together at the gorge. This is by far the largest traveler ever l^uilt, having an overhang of 165 feet. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
Size: 1444px × 1730px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorsmithsonianinstitutio, bookcentury1800, bookdecade1840
