. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Fig. 86. — Wear of Tie under Tie upper illustration shows a Loblolly Pine Tie treated with Zinc Chloride, after four years service in lower illustration shows a longitudinal section through the spike hole of a Western Yellow PineTie after several years service in Texas.(Bureau of Forestry, Bulletin No. 50.) down into this hole, as shown in the illustration. When the tie was removedit had disappeared in the wood, and the base of the rail was re
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . Fig. 86. — Wear of Tie under Tie upper illustration shows a Loblolly Pine Tie treated with Zinc Chloride, after four years service in lower illustration shows a longitudinal section through the spike hole of a Western Yellow PineTie after several years service in Texas.(Bureau of Forestry, Bulletin No. 50.) down into this hole, as shown in the illustration. When the tie was removedit had disappeared in the wood, and the base of the rail was resting on the outeredges of the tie beyond the plate. This tie had been treated with zinc chloride. The water which gatheredunder the tie plate leached out the salt, and as a result decay started on bothsides of the plate, as the illustration shows. The tie had to be removed, al-though the rest of it was perfectly sound (Figs. 87 and 88). STEEL RAILS % /$ v5,-*-,~N . i4 ft. ■2 ^^^hUhhP j— Fig. 87. — Section of Tie under Rail Bearing showing Wear and Decay,. Fig. 88. — Section from Middle of Same Tie showing Entire Soundness. LOBLOLLY PINE TIE TREATED WITH ZINC CHLORIDE, AFTER FOURYEARS SERVICE IN TEXAS.(Bureau of Forestry, Bulletin No. 50.) SUPPORTS OF THE RAIL 125 The types of plates used in Europe are without exception flat plates.* to 96 represent plates used by several European roads at the present time.
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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913
