International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 489
nds of the abutments. The angles made inthe fence by these returns must be thoroughly braced.Effective braces for such returns are shown in Figs. 515 and516. In Fig. 515 the angle of the return is 00°, and a brace ineach panel abutting on the angle is sufficient, but in Fig.516, where the angle… … Fig. 515. Fig. 516. road crossings, and at all points where changes in directionrequire it. At streams crossed by pile bridges, it is custoinary to makea return in the fence on both sides of the stream, and tostring the wires across the stream, fastening them to thepiles. On tangents, and on the…
Railroad engineering
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