. Railroad structures and estimates . Fig. 57. C. P. R. Shimming Spikes. screw spike. Figs. 58 and 59 illustrate the A. R. E. A. proposed-tandard cut and screw spikes and Figs. 56 and 57 the (. P. cut track spikes and shimming spikes. The average standard cut track spike is ^% in. sq. X 5 Average weight lb. each. TC5nS .\ND kegs of spikes required per mile single (FORVARYING NUMBER OF TIES). Spikes permile. Weight,lb. Per mile, tona,2000 1b. Numbe r of kega. Lb. per 100 Inirk. mile. 200 lb. f>afh. 224 lb. 2600 ] 12,800 67
. Railroad structures and estimates . Fig. 57. C. P. R. Shimming Spikes. screw spike. Figs. 58 and 59 illustrate the A. R. E. A. proposed-tandard cut and screw spikes and Figs. 56 and 57 the (. P. cut track spikes and shimming spikes. The average standard cut track spike is ^% in. sq. X 5 Average weight lb. each. TC5nS .\ND kegs of spikes required per mile single (FORVARYING NUMBER OF TIES). Spikes permile. Weight,lb. Per mile, tona,2000 1b. Numbe r of kega. Lb. per 100 Inirk. mile. 200 lb. f>afh. 224 lb. 2600 ] 12,800 6760728078008320 3 .383 PA 3436i3042 .30^32^ 200 SCREW TRACK SPIKES. Quantities allowed per mile (C. P. R. single track). Construction (new track) 34 kegs per mile (224 lb. per keg). Maintenance (relaying rail) 4 Approximate cost of spiking one mile: 12,000 spikes distributed $216 Driving cut spikes per mile 84 $300If tie plated, add 6000 tie plates at 16(*. 960 Total $1260 per mile (single track).
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Keywords: ., bookcentury1900, bookdecade1910, bookidrailroadstructur00orrouof
