Track Standards

Front Cover
Norman F. Rehm
Railway List Company, 1910 - Railroad tracks - 192 pages
0 Reviews
 

What people are saying - Write a review

We haven't found any reviews in the usual places.

Other editions - View all

Common terms and phrases

Popular passages

Page 33 - The sections for Class A track are intended to show • minimum depth under ties and are recommended for use only on the firmest, most substantial and well-drained sub-grades.
Page 41 - ... IV. — The thickness of the web to be no less than in existing AS CE sections of corresponding weight. V. — A fixed percentage of distribution of metal in head, web, and base for the entire series of sections need not be adhered to, but each section in a series can be considered by itself. VI. — The radii of the under corner of...
Page 36 - Except in pole ties with rounded sides, or in halfround ties, none shall be less than eight (8) in. width of face, and in no tie shall the thickness be less than six (6) in. A variation in size will be permitted of one-half (y2) in.
Page 118 - A longitudinal wire located between top and bottom wires. Panel. — A section of fence between adjacent posts. Snow Fence. — A structure erected for the purpose of accumulating drifting snow. Stay. — A piece of timber, metal or other material, either vertical or inclined, serving the purpose of keeping the longitudinal wires the proper distance apart and stiffening the fence. Stay Wire. — A stay formed of wire. Tie Wire. — A wire in tension between any two posts. Top Wire. — The highest...
Page 36 - The following woods may be used for tie timber without any preservative treatment : White Oak family. Long-leaf strict heart yellow pine. Cypress, excepting the white cypress. Redwood. White Cedar. Chestnut. Catalpa. Locust, excepting the honey locust. Walnut. Black Cherry. The following woods shall preferably not be used for tie timber without a preservative treatment approved by the purchaser: Red Oak family.
Page 121 - The rapid deterioration of modern woven galvanized fence wire is caused by the coating of the zinc being too thin and of an uneven thickness. To procure better protection to the wire and a longer-lived fence, it is necessary to secure an increased uniform thickness of the zinc coating on the wire; and to insure that the galvanizing is intact after the wire has gone through the fence-weaving machines, it is recommended that a second coat of zinc be applied to the fence after it is manufactured.
Page 120 - A first-class fence shall consist of nine longitudinal, smooth, coiled, galvanized steel wires; the top and bottom wires shall be No. 7 gage; intermediate and stay wires shall be No.
Page 48 - It should prevent deflection or vertical movement of the ends of the rails and permit movement lengthwise for expansion. (4) It should be as simple and of as few parts as possible to be effective.
Page 36 - All ties must be well and smoothly hewed or sawed out of straight, growing timber of specified dimensions and out of wind, sawed ends, with straight and parallel faces, the minimum width of either face to be not less than that given in the table of dimensions.
Page 119 - A piece of timber, metal or other material placed between the slats composing a section of a surface cattle-guard to space and stiffen them. Section. — A group of slats or strips which go to make up a surface cattle-guard. Slat. — Strip of wood or metal used to make up sections of a cattleguard. Wing-Fence. — The line of fence making connection between the apron of the cattle-guard and the right-of-way or line fence. FENCES. (1) The use of smooth wire in preference to barbed wire for railroad...

Bibliographic information