. Railway track and track work . Half Cut. 70 *;26~*- 130 \% _v_ tJ>- I v :*■■». Fig. 4.—Lake Shore & Michigan Southern Ry on the 18-in. berme at the edge of the ditch. The depth of ballast under theties is 12 ins. in cuts and 6 ins. on banks, and the quantity of gravel requiredper mile is as follows: Single track. Double track. In cuts, cu. yds 3,749 0,917 On banks, cu. yds. Baltimore & Ohio Ry. (Fig. 5).—The width of roadbed for single track is19 ft. iy2 ins. in cuts and 17 ft. ly2 ins. on banks, while for double track thewidths are 31 ft. 1% ins. and 29 ft. 1% ins., respectivel
. Railway track and track work . Half Cut. 70 *;26~*- 130 \% _v_ tJ>- I v :*■■». Fig. 4.—Lake Shore & Michigan Southern Ry on the 18-in. berme at the edge of the ditch. The depth of ballast under theties is 12 ins. in cuts and 6 ins. on banks, and the quantity of gravel requiredper mile is as follows: Single track. Double track. In cuts, cu. yds 3,749 0,917 On banks, cu. yds. Baltimore & Ohio Ry. (Fig. 5).—The width of roadbed for single track is19 ft. iy2 ins. in cuts and 17 ft. ly2 ins. on banks, while for double track thewidths are 31 ft. 1% ins. and 29 ft. 1% ins., respectively. The standard sec-tion shows no regular ditch. Stone ballast is shouldered out 3 ins. beyondthe ends of the ties, and sloped down between the tracks, while gravel ROADBED CONSTRUCTION. 13 ballast is rounded off from inside the rail, touching the bottom of the ballast (for side tracks) is shaped the same as broken stone. Thedepth of ballast under the ties is 12 ins., and on curves each track is laid
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
