The Trackman's Helper: A Handbook for Track Foremen, Supervisors and EngineersClark book Company, Incorporated, 1917 - 410 σελίδες |
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adzed amount angle bars Arch ballast bolts bored Bridges broken CLARK BOOK condition Corner Fence cost creeping cross cross drains Culverts curve cut spikes derailment Design dirt distance ditch elevation engine fastenings feet Fence Posts fill flange foreman frog gage gang grade gravel guard rail hand car handle head heavy holes inches Inspection joints keep kinks labor laid load loblolly pine loose machine main track material method mile move necessary piece plates plow Pony Car practice proper railroad Railway Reinforced Concrete removed renewals repair road roadbed roadmaster rock screen screw spikes Section foremen shims shovel signals snow fence speed standard steel stone surface switch tamping tangent tie plates timber tion tool house Track foremen track laying track rails trackmen traffic trains trams tunnels turnout Unloading weight wheel Whistling Posts wire wood wreck yard
Δημοφιλή αποσπάσματα
Σελίδα 373 - It has 200 working drawings of bridges, bridge piers and culverts; 60 working drawings of sewers, water mains and reservoirs...
Σελίδα 127 - General : When not surfacing out of face, as in case of picking up low joints or other low places, the general level of the track should not be disturbed. Where the rails are out of level, but where the difference in elevation is not excessive and is uniform over long stretches of track, a difference in elevation between the two rails of J^-jn.
Σελίδα 126 - Tamp each tie from 18 inches inside of the rail to end of tie with handle of shovel or tamping bar. If possible, tamp the end of the tie outside of rail first and let train pass over before tamping inside of rail ; give special attention to tamping under the rail ; tamp center of ties loosely with the blade of the shovel ; the dirt or clay between the ties...
Σελίδα 369 - Almost every conceivable civil engineering operation, from cement sidewalks to railroad systems, divided as follows: SUBJECTS Principles of engineering economics; earth excavation; rock excavation, quarrying and crushing; roads, pavements and walks; stone masonry; concrete and reinforced concrete construction; water works; sewers; timber work; buildings; railways; bridges and culverts; steel and iron construction; engineering and surveys; miscellaneous cost data. The value of the book lies in the...
Σελίδα 370 - Bonus and Other Systems of Payment; IV, Measuring the Output of Workmen; V. Cost Keeping; VI, Office Appliances and Methods; VII, Bookkeeping for Small Contractors; VIII, Miscellaneous Cost Report Blanks and Systems of Cost Keeping. SURVEYORS' HANDBOOK By TU TAYLOR. Leather, 328 pages, illustrated $2.00 Describes the instruments, their care and adjustment, and the methods practiced in making surveys of all kinds. Extensive tables are given to facilitate calculations. CHAPTER HEADINGS Chain Surveying:...
Σελίδα 374 - ... Concrete ; Cost of Concrete ; Finishing Concrete Surfaces ; General Physical Properties ; The General Elastic Properties of Concrete ; Physical Properties of Reinforcing Metals ; Principles and Disposition of Reinforcement; Mechanical Bond: Styles of Slab Reinforcement; Styles of Beam Reinforcement; Curved Pieces Strained in Flexure; Columns, Walls and Pipes ; General Phenomena of Flexure ; Theory of Beams ; Various Beam Theories : Theory of Columns ; Foundations ; General Building Construction...
Σελίδα 144 - The foundation of all ties being loosely compacted material, any movement or " churning " of the tie necessarily throws unequal loading on the ballast at different times, causes its compression and movement, and destruction of the tie foundation. The wider the ties and the lighter the rail and the heavier the loads, the greater such movement must be. Rails take a permanent set, as regards...
Σελίδα 247 - ... (3) Line and full spike the unbroken side on new ties and spike the guard rail to proper position. (4) Couple up frog and...
Σελίδα 373 - The tables and formulaa were designed particularly to save time in the draughting room, not simply inserted as detached bits of information. The formula? are not simply stated, but developed and illustrated with examples as well, so that the beginner or "rusty" mind can grasp them readily. Chapter Headings Materials and Machines Used in Concrete Construction; Design and Construction of Buildings ; Design and Construction of Bridges ; Abutments and Retaining Walls; Culverts, Conduits, Sewers, Pipes...
Σελίδα 291 - When car trucks are sunk in soft ground at a wreck, and there is no derrick car or other lifting apparatus at hand, a good way to handle them is to place a tie cross way in the ground, about four or five feet from the truck, then place two more long ties or timbers, with their centers resting across the first tie, and their ends in front of the truck wheels. The truck can then be pushed up on top of the long ties as if on a track. When it is centered over...