International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 447
an shoulddetail two trustworthy men to locate the joint ties. Theycarry a measuring pole of the standard rail length, usually30 feet, and locate the joints by measuring from the ends ofthe fixed rails. They also complete the work of spacing theintervening ties, which can not be done until after the… … Fig. 489. Fig. 490. same road, either one or the other being used exclusively.A cut of a suspended joint is given in Fig. 489, and of a TRACK WORK. 1()37 supported joint in Fig. 400. In the suspended joint thereare two joint ties spaced about 6 inches in the clear. Thej(Mnt is spaced midway between…
Railroad engineering
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