Notes on Track: Construction and Maintenance, Հատոր 1The author, 1904 - 1223 էջ |
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Common terms and phrases
angle bars arch arrangement ballast bolt bottom cent connecting rod connection creeping cross drains crossing culvert curvature curve depth derail device distance distant signal ditch double track drivers embankment engine filling flangeway frog gage gantlet tracks grade gravel guard rail headblock hight holes interlocking joint laid laying length lever load lock locomotive machine main track material metal miles Milwaukee & St miter joint notch opening operation ordinary outer rail piece pipe plate point rail position practice radius rail ends rail head railway roadbed roads rolling running shims side side-track signal slope sometimes space spikes splice bars spring rail standard steel stock rail stone straight surface switch points switch rod switch stand tamping tangent thick throw tie rods timber tion traffic train truck turnout usually walls wear weight wheel flanges width wing yard
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Էջ 85 - The number of passes and speed of train shall be so regulated that on leaving the rolls at the final pass, the temperature of the rail will not exceed that which requires a shrinkage allowance at the hot saws, for a rail 33 feet in length and of 100 Ibs.
Էջ 601 - ER, the Long Island EE, the Boston & Maine, the Boston & Albany, the New York, New Haven & Hartford and the Delaware & Hudson. The oil used is a by-product of petroleum distillation, the grade giving best satisfaction having a specific gravity of about 0.887. It is known by the trade name of "roadbed oil," and the cost, in different years end in different localities, has been 2 to 3£ cents per gallon. It is high test, and under the conditions in which it is used it is practically noncombustible....
Էջ 785 - ... muslin bandages. B. Venous bleeding, which occurs when the wound is shallow (does not go deeper than the skin), as a rule, requires firm pressure over the wound and especially below it. If the wound be quite small, put a pad of styptic cotton into and over it and bandage tightly in place, and then apply a bandage from below upward over and: beyond the wound.
Էջ 229 - The common point is called the point of contact, or point of tangency. 74 150. Two circles are said to be tangent to each other when they are both tangent to the same straight line at the same point. They are said to be tangent internally or externally according as one circle lies entirely within or entirely without the other. A common tangent to two circles is a straight line which is tangent to both of them. 151. A polygon is said to be inscribed in a circle when all its vertices...
Էջ 216 - I \-f°r each tenth in change of rate of grade, making the change in rate of grade per station not over 0.025 Per station, if ALL POSSIBILITY of bringing the draw-bars of any part of the train into compression while passing over it is to be avoided. With half this length of curve, which is considerably more than is usual in laying out vertical curves, all danger of " taking out the slack " in the front half of the train, where there is most danger of breaking in two, will be avoided.
Էջ 786 - ... patient's head. One bearer kneels on each side of the patient and joins hands underneath his hips and shoulders with the bearer on the opposite side. The third man attends to the wounded limb or looks after any bandages or splints that may have been applied. The bearers then rise to their feet raising the patient in a horizontal position and by a series of side steps bring the patient over the stretcher. He is then lowered gently on it and made as comfortable as possible.
Էջ 757 - ... that will take root and sprout, and thus in a short time bind the surface mass firmly together. The levee at the outside of the fill is carried up and maintained several inches to a foot higher than the interior, so as to form a pool and cause the water to drop its sediment before escaping. Filling by the sluicing process has been done at the rate of 500 to 1500 cu. yds. of embankment built per day, using one nozzle. The quantity and the cost would,- of course, be expected to vary with the character...
Էջ 786 - Prostration from Excessive Heat. — In these cases (not sunstroke) the face is pale, lips colorless or blue, breathing slow and quiet, pulse slow and very weak. Place the patient on his back, with his head level with his body, and loosen clothing. Apply heat to the surface of the body and extremities. Bathe the face with warm water into which a little alcohol or whisky has been poured, and if he can swallow, give the patient an ounce of whisky in as much warm water.
Էջ 785 - Remove the Clothing from a wounded part by cutting it away. Do not attempt to tear or draw clothing off, as this may further injure the wounded part. Always see the wound, and know by your eye just what the nature of it is.
Էջ 291 - Morenci, being only one mile distant, in an air line. The gage of the track is 3 ft., and there are some high trestles on 38-deg. curves. CHAPTER VI. SWITCHING ARRANGEMENTS AND APPLIANCES. 55. Turnouts.— A turnout, as the name implies, is an arrangement by which a car may pass from one track to another. The principal parts of a turnout are a switch and a frog, with a connecting piece of track called the lead.