. The Street railway journal . vated railway called for astructure with a closed floor system, so that no drippings wouldfall from the elevated railway into the street. To meet this re-quirement, and also to reduce the noise to a minimum, the structurehas been designed with a steel deck extending clear across thestructure and covered with a bed of concrete under the the concrete bed is deposited against vertical or inclinedsurfaces, the concrete is locked to such surfaces by stud bolts uponwhich wire is wrapped, the intention being to secure the benefitof the protection of the co
. The Street railway journal . vated railway called for astructure with a closed floor system, so that no drippings wouldfall from the elevated railway into the street. To meet this re-quirement, and also to reduce the noise to a minimum, the structurehas been designed with a steel deck extending clear across thestructure and covered with a bed of concrete under the the concrete bed is deposited against vertical or inclinedsurfaces, the concrete is locked to such surfaces by stud bolts uponwhich wire is wrapped, the intention being to secure the benefitof the protection of the concrete and diminish the liability of itsshaking loose and permitting water to percolate through and pro-duce corosion. Where the railway is on a grade of one per cent or over, therehas been placed a longitudinal gutter between the tracks parallelto the grade of the structure. Where the grade is less than 1per cent, the gutter is provided with a grade of not less than 1per cent by local inclination between the column bents. The. DETAILS OF ELEVATED STRUCTURE ON WEST MARKET STREET ELEVATED RAILWAY the bridge. The conduits are supported between special steelstringers and are covered with a concrete casing, the entire struc-ture being hung from the bridge floor system by special hangers, asshown in the detail drawing on this page. The concrete floor be-tween the stringers supporting the lines of conduits is reinforcedby wire cloth. As will be noticed from the drawings on Plate drainage water is delivered to collector boxes secured to the col-umns, from whence it is discharged below. A bed to confine theballast transversely and maintain alignment is made by a dambetween the guard in the center of the structure and the rails, andalso by a facia channel on the ouside of the structure. The tracks comprise the ordinary cross tie construction with a
Size: 1860px × 1343px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
