. Railroad construction, theory and practice; a text-book for the use of students in colleges and technical schools, and a hand-book for the use of engineers in field and office . e of these principles, whichsometimes apply to both types, are as follows: (a) Dead-end terminals. See Fig. 167a. The track level andtrain floor is raised above the street level, so as to permit anyintersecting cross streets to Tun under the tracks. A ramp onan easy grade is indicated in the section of the terminal platform serves a pair of tracks whose centers are 28apart. Allowing 5 6 from the track c
. Railroad construction, theory and practice; a text-book for the use of students in colleges and technical schools, and a hand-book for the use of engineers in field and office . e of these principles, whichsometimes apply to both types, are as follows: (a) Dead-end terminals. See Fig. 167a. The track level andtrain floor is raised above the street level, so as to permit anyintersecting cross streets to Tun under the tracks. A ramp onan easy grade is indicated in the section of the terminal platform serves a pair of tracks whose centers are 28apart. Allowing 5 6 from the track center to the edge of theplatform, the platforms themselves are 17 wide. The lengthof the platforms vary from about 600 to over 1100 feet, but thelength and their number should depend on the extent of businessto be handled. The intermediate platforms are protected forabout 500 feet of their length by butterfly roofs supportedon a line of columns, the roofs draining inward to longitudinalgutters in the center, which discharge into leaders alongside thecolumns. Two sets of ladder tracks, with single or double slips(§ 314) connect with each one of the platform tracks, so that.
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Keywords: ., bookauthorwebbwalt, bookcentury1900, bookdecade1920, bookyear1922
