. Manual of recommended practice for railway engineering and maintenance of way . 34, 37, 43; VoL 6, 1905, pp. 122, , Vol. 3, 1902, pp. 34, 45; Vol. 6. 1905, pp. 122, , Vol. 4, 1903, pp. 32, 35, 39, 44, 66, 74; Vol. 5, 1904, pp. 688, 719;Vol. 6, 1905, p. 123. 11 12 ROADWAY. * DESIGN AND CONSTRUCTION OF ROADWAY. RECOMMENDED PRINCIPLES OF PRACTICE. (i) There should be recognized three widths of roadbed for stand-ard gage railways, and these should be selected to suit the probabledensity of traffic to be handled in the future. These widths should be14, 16 and 20 ft. (2) A
. Manual of recommended practice for railway engineering and maintenance of way . 34, 37, 43; VoL 6, 1905, pp. 122, , Vol. 3, 1902, pp. 34, 45; Vol. 6. 1905, pp. 122, , Vol. 4, 1903, pp. 32, 35, 39, 44, 66, 74; Vol. 5, 1904, pp. 688, 719;Vol. 6, 1905, p. 123. 11 12 ROADWAY. * DESIGN AND CONSTRUCTION OF ROADWAY. RECOMMENDED PRINCIPLES OF PRACTICE. (i) There should be recognized three widths of roadbed for stand-ard gage railways, and these should be selected to suit the probabledensity of traffic to be handled in the future. These widths should be14, 16 and 20 ft. (2) A width of 13 ft. between center lines of main tracks isrecommended. (3) Rock excavations should be taken out not less than 6 in. belowsubgrade. (4) No wasting should be allowed closer than 10 ft. from slopestakes. (5) That information on profiles as to distribution of materialbe so arranged that price for grading for each of the classes may coverthe haul, irrespective of distance. =!=Adopted, Vol. 6, 1905, pp. 136-138, 142, 144, 145, 164-173. STANDARD ROADBED CLASS A.
Size: 2752px × 908px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroadengineering
