Excerpt from Special Studies in Electrolysis Mitigation: A Report on Conditions in Springfield, Ohio, With Insulated Feeder System Installed
The tracks are mainly T rails of weight varying from 35 to, 100 pounds per yard, on wooden ties embedded in rock ballast or con crete, new construction being mainly 90 or 100 pounds per yard. A new type of construction already laid on West Pleasant Street and at several other points consists of Ioo-pound girder rails, laid on steel channels and I sections with a beam of concrete under neath the rail. The joints are connected by an electric pencil weld, and are also welded to the channels at the joints. This provides frequent and effective cross bonding. The stray current leakage from this type of construction will probably be greater than with wooden ties, but the steel ties are spaced 6 feet, and the drainage from the concrete beams should be good. A small amount of track on private right of way is raised above the surface, so that only the ties are in contact With the earth or ballast.
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