. Elements of railroad track and construction . bent down into atrough shape as shown at aa, Fig. 13, and in Fig. 15;the bent portion aa is 2 feet long and projects | inchbelow the base of the tie; there are four of these pro-jections as shown in Figs. 13 and 15. The rail is fastened to the tie by means of the clipsshown in Fig. 16, the right-hand part of the figure show-ing a joint chp, and the leftshowing an ordinary chps are designed andshaped so that the gauge canbe adjusted a small amount,the holes in Fig. 13 beingoval, and be tightened andhold the rail firmly in place after th
. Elements of railroad track and construction . bent down into atrough shape as shown at aa, Fig. 13, and in Fig. 15;the bent portion aa is 2 feet long and projects | inchbelow the base of the tie; there are four of these pro-jections as shown in Figs. 13 and 15. The rail is fastened to the tie by means of the clipsshown in Fig. 16, the right-hand part of the figure show-ing a joint chp, and the leftshowing an ordinary chps are designed andshaped so that the gauge canbe adjusted a small amount,the holes in Fig. 13 beingoval, and be tightened andhold the rail firmly in place after the parts become worn. The bolts are | inch indiameter, 3 inches long from the inside of the head, andthe head of the bolt is set at an angle so that it willhave a firm bearing against the lower, beveled face ofthe head of the tie. The cost of the tie includes the four bolts and fourcHps. The fu-st Carnegie tie consisted of a plate ^ incheswide, riveted to the top, and a plate 8 inches wide,riveted to the bottom of a 4-inch I-beam. In the first. ^ ^ Fig. 16. 58 RAILROAD TRACK AND CONSTRUCTION. rolled tie, the projections aa, Fig. 13, were only a fewinches long. Three other weights of the I-beam tie are made, thewidth of head, depth of tie, width of base, and weightper foot of tie respectively, being as follows: 5 inches,GJ inches, 10 inches, pounds; 4 inches, 4^ inches,6 inches, pounds; and 3 inches, 3 inches, 5 inches,and pounds. A special clip, in a general way hkea tie-plate and clips combined riveted to the tie, isused on the heaviest tie. 63. The York Process for Rolling Steel Ties;—This method is shown in Fig. 17, the figure represent- 4 ^zsz^. Fig. 17. Fig. 18. ing the section of a worn-out 65-pound rail, which hasbeen rerolled so that the head of the rail has been changedinto the base of the tie, the base of the rail and the webbeing unchanged. The tie is 4 inches high, 4J incheswide on the head, and 9 inches wide on the base. By the York Process the rail
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcetc, bookyear191
