. Railway track and track work . 4(JnderHead-*. B C Fig. 42.—Sections of Splice Bars. spikes may be crowded out of position by a creeping track. It is better to havewide flanges with deep slots for the spikes, and some roads have them wideenough for spike holes instead of slots, the spikes then resisting motion in everydirection and the gage being more permanently maintained. The base of theflange is usually brought down level with the bottom of the rail, so as to take abearing on the tie, as in Figs. 30, 35 and 42. Many roads, however, keep theflange clear of the tie, as in Fig. 42, C. The se
. Railway track and track work . 4(JnderHead-*. B C Fig. 42.—Sections of Splice Bars. spikes may be crowded out of position by a creeping track. It is better to havewide flanges with deep slots for the spikes, and some roads have them wideenough for spike holes instead of slots, the spikes then resisting motion in everydirection and the gage being more permanently maintained. The base of theflange is usually brought down level with the bottom of the rail, so as to take abearing on the tie, as in Figs. 30, 35 and 42. Many roads, however, keep theflange clear of the tie, as in Fig. 42, C. The sections of splice bars vary verygreatly, as shown in the illustrations, but one of the best is the Sayre section,shown in Fig. 30. The heavy top chord makes an exceptionally stiff bar, withwide bearing surface for the rail head. Fig. 42, A, shows the Dudley design ofbar of high-carbon steel for the 80-lb. rails of the New York Central Ry. Thethick, narrow-flanged bar of the Pennsylvania Ry. is shown at B, while C isthe bar of the Chicago, Bur
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