. Solid floors : railroad bridges . at allwork can be done by the road department forces and hence nocontracts or special appropriations are necessary to theirconstruction. In this manner old rails which have been aban-doned for heavier sections can be utilzed to the best possibleadvantage. There is however the objection that if the exe-cution of such work is left entirely in the hands of the roaddepartment forces without inspection of any kind,it may some-times lead to the use of a fewer number of rails than is calledfor on the plans, in case they do not happen to have the re-quisite number o
. Solid floors : railroad bridges . at allwork can be done by the road department forces and hence nocontracts or special appropriations are necessary to theirconstruction. In this manner old rails which have been aban-doned for heavier sections can be utilzed to the best possibleadvantage. There is however the objection that if the exe-cution of such work is left entirely in the hands of the roaddepartment forces without inspection of any kind,it may some-times lead to the use of a fewer number of rails than is calledfor on the plans, in case they do not happen to have the re-quisite number of rails on hand. The rails should be given a preservative coating ofsome kind, applied hot. New York Central Floors-1896. For spans ranging from 14 to 28 feet in the clear,longitudinal trough bridges of the type shown in figure 13^page20, were used extensively on the New York Central Railway fora considerable period. While this type of bridge offers severalimportant advantages, yet these are almost or quite offset by -20- Figure 13. ^ C-z-o^s^s secf/on Z Figure 14
Size: 2734px × 914px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1913
