. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . bular castings embedded in the ties. Weightabout 310 pounds. V •• \l \A • ^L. K A N A 1/!! ;;\l KTHiN | m Fig. 72. — Adriatic Railway Tie. (Concrete Review.) Adriatic Railway Tie. — (Fig. 72.) Reinforcement, 29 rods having a totalarea of 3 square inches. The rail is fastened by bolts passing through the tieand inserted from below. The beveled rail seat is in accordance with Europeanpractice. Weight about 286 pounds. Riegler Concrete Tie. — (Fig. 73.) Some of thes
. Steel rails; their history, properties, strength and manufacture, with notes on the principles of rolling stock and track design . bular castings embedded in the ties. Weightabout 310 pounds. V •• \l \A • ^L. K A N A 1/!! ;;\l KTHiN | m Fig. 72. — Adriatic Railway Tie. (Concrete Review.) Adriatic Railway Tie. — (Fig. 72.) Reinforcement, 29 rods having a totalarea of 3 square inches. The rail is fastened by bolts passing through the tieand inserted from below. The beveled rail seat is in accordance with Europeanpractice. Weight about 286 pounds. Riegler Concrete Tie. — (Fig. 73.) Some of these ties have been in ser-vice on the high-speed tracks of the Pennsylvania Lines for several yearswithout showing signs of deterioration. The ties have a large bearing surfaceand fifteen are used for a 33-foot rail, instead of eighteen standard wooden ties. SUPPORTS OF THE RAIL 103 The ties have rounded sides, which assist in distributing the downward thrustover a short distance on each side of the tie, and the reaction assists in holdingthe tie from slewing, all the ties remaining as first placed at right angles to. Fig. 74.— Riegler Concrete Tie, Appearance in the Track. (Railroad Age Gazette.) the track. The weight of the complete tie is about 850 pounds. It is proposedto cast a ring in the end to which a short rope can be attached for hauling intothe track. Table XVIII presents a summary of the service tests on concrete ties. STEEL RAILS !I 2 cracked in 2 weeks but held together, 10 cracked in6 months, all out in 1J- years, bolts loosened and iliMniciruiefl concrete dry mixture). 3 broken by a derailment, rest in good condition in1904. Some cracks within first year. 1 I PC 1 1 11 Trolley line on paved street. Cracked in 2 months — did not last through the 1 | i I f ill 1- s 1I 11 6< 5 5 H ■5 | ||s | US i* M ■s .S 1 1 a 1 1 III 1 III 1 II II 1 1 I 1 11 1 £*& g O -££ D. =0 S 2- S3 S» - : *§ 2 ■•3 ja i^ji ^ J : 3 Sg g £12 &Zp K Qow « slol 6 Id
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Keywords: ., bookcentury1900, bookdecade1910, bookidsteelrailsth, bookyear1913
