Building and repairing railways . 103 68 49-41 104 163-43 69 105 70 106 71 1-57 47-32 107 72 3-«4 108 73 109 74 .45-41 110 75 in 174-43 76 9-43 44-21 112 77 43-64 3 77-57 29-73 78 122,57 43-o8 114 179-14 29-47 79 42-53 5 80 116 81 117 82 118 I85-43 83 119 120 TA
Building and repairing railways . 103 68 49-41 104 163-43 69 105 70 106 71 1-57 47-32 107 72 3-«4 108 73 109 74 .45-41 110 75 in 174-43 76 9-43 44-21 112 77 43-64 3 77-57 29-73 78 122,57 43-o8 114 179-14 29-47 79 42-53 5 80 116 81 117 82 118 I85-43 83 119 120 TABLE No. bars and bolts for one mile of track. Length Number of Number of Bolts Required. Number of of Splice BarsRequired. Rails or Com-plete Joints. 4-Hole Splice. 6-Hole Splice. 24 880 1,760 2640 440 25 844 1,688 2532 422 26 812 1,624 2436 406 27 782 1,564 2346 391 28 754 1,508 2262 377 30 704 1,408 2112 352 33 640 1,280 1920 320 APPENDIX /. G17 TABLE No. of fastenings required to the ton of TABLE No. required per mile Of track. Size M NPerB 200 pounds. T • - Two Feet He- tween Centre and KAIL USED. Under 1 Pour Spikes per Tie,Ifskea per Mile. Weight per yard. Inc: Ponndi i 5* x ft WKK 45 to V0 5 x X 100 40 to 50 b x , ?0 4«HrJ n MJ 40 1 K 530 4 x * GOO 30 4* x A 6H0 8104 i 4 x 3C ? 3« x X n ::{ 20 1 S IMf 1891 10 2H X A 1172 • || 618 APPENDIX J. TABLE No. the weight of standard track bolts;bolts with square nuts. pounds per 1,000 Diam. 2 2% 2%. 2% 3 3* 3% m 4 4H m 4M 5 Diam 1000 Nuts inches in. in. in. in. in. in. in. in. in. in. in. in. in. inches % 260 274 288 302 316 330 344 358 372 386 400 414 428 V* 112 A 352 370 388 406 424 442 460 478 496 514 532 550 568 & 146 % 454 476 498 520 542, 564 586 608 630 652 674 696 718 % 218 % 626 658 690 722 754 < 786 818 850 882 914 946 978 1010 % 245 % 858 901 944 98, 1030 1073 1116 1159 1202 1245 1288 1331 1374 % 374 1 1155 1210 1265 132
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
