File:City roads and pavements suited to cities of moderate size. (1902) (14758284436).jpg

Caption: TRACK AND PAVEMENT CONSTRUCTION, ROCHESTER, N. Y., 1900.
Medina sandstone block pavement on six-inch natural cement concrete base, and trolley-railway track-construction on concrete foundations. Three-inch porous tile beneath concrete and leading to sewers ; Ties two-feet centers, on concrete five inches thick, with twelve inches of concrete between the ties ; Nine-inch full-grooved steel girder-rails, bonded, resting upon the ties and upon twelve inches of concrete between the ties.

Identifier: cityroadspavemen00juds (find matches)
Title: City roads and pavements suited to cities of moderate size.
Year: 1902 (1900s)
Authors: Judson, William Pierson, 1849-1925
Subjects: Streets Pavements Roads
Publisher: New York : The Engineering news publishing company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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d be built by the railroad company underthe plan and direction of the city engineer, or thisshould be done by the city at the expense of the rail-road, as in Rochester, N. Y. The methods there usedin 1900 are shown in the picture here given. This construction with heavy rails is necessary tomake the track-structure as rigid as possible, and thisis so well accomplished in 1901 that sheet-asphalt is 40 CAR TRACK CONSTRUCTION. laid in actual contact with both sides of the rails, uponwhich exceptionally heavy cars pass without crackingthe asphalt. This is seen at the best in Huffalo, N. Y.,where the rails are electrically spliced in place, bywielding three-inch by one-inch by fifteen-inch steelplates on both sides of each joint, forming continuousninety-pound rails for great lengths. Joints are castwith molten iron with similar effect at Chicago, Brook-lyn and Minneapolis, and many other cities where theauthorities and the railroads work together to get thebest results in their pavements.
Text Appearing After Image:
TRACK AXD PAVEMEXT COXSTRUCTIOX, ROCIIEvSTER, X. Y., t.xx). Medina sandstone block pavement on six-inch natural cement concrete base, andtrolley-railway track-construction on concrete foundations. Three-inch porous tilebeneath concrete and leading to sewers ; Ties two-feet centers, on concrete fiveinches thick, with twelve inches of concrete between the ties ; Xine-inch full-groovedsteel girder-rails, bonded, resting upon the ties and upon twelve inches of concretebetween the ties. 41 CONCRETE BASE FOR PAVEMENT. A concrete base, four to six inches thick, is desirable,whether the wearing-surface is to be of asphalt, or ofcreosoted wooden blocks, or of vitrified brick, or ofstone blocks. The wearing-surface will need repairsand renewals, but a properly-made concrete base willbe permanent, and will always increase in strength andsolidity. It is specially needed wherever the street isof recently made ground, or where it was formerlyswampy or unstable, or where traffic is expected to behea

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