Manual of Railway Engineering for the Field and the OfficeW. McGee, 1874 - 181 páginas |
Otras ediciones - Ver todas
Manual of Railway Engineering, for the Field and the Office Charles Philip Cotton Vista completa - 1874 |
Manual of Railway Engineering for the Field and the Office Charles Cotton Vista previa limitada - 2023 |
Manual of Railway Engineering for the Field and the Office Charles Cotton Vista previa limitada - 2023 |
Términos y frases comunes
abutments alteration angle arch ballast Board of Trade Book of Reference bridge centre line chain CLAUSE contract contractor counterforts course cross-girders cross-sections cubic foot cubic yard culverts curve datum line depth dimensions drains dry stone wall dwarf walls embankment engineer-in-chief estimate excavation extrados fences formation level four inches furlongs girders given gradients ground height inches thick inclination iron laid land length level crossing limits of deviation line of railway lineal yard lithographer marked measured mile odd distance parapets parish Parliamentary plans pegs piles plans and sections plate proposed public carriage road public road quantity radius rails red pine resident engineer riveted road approaches rubble masonry scale schedule sheeting side side-cutting signal-man slopes spandril spans specified stake Standing Orders stone straight line surface survey tangent temporary fences theodolite tion townland tunnel turnpike or public turnpike road under-girders usually viaduct walls width wing wire
Pasajes populares
Página 29 - ... in gradients of an inclination not exceeding one in a hundred, to any extent not exceeding ten feet per mile, or to any further extent which shall be certified by the Board of Trade to be consistent with the public safety, and not prejudicial to the public interest...
Página 174 - ... be deposited in the Private Bill Office on or before the 31st December. ORDER No. 18 1 a prescribes, in the above case, that a clause be inserted requiring that, before taking the houses, eight weeks
Página 153 - In a wrought-iron or steel bridge the greatest load which can be brought upon it, added to the weight of the super-structure, should not produce a greater strain on any part of the material than five tons, where wrought-iron is used, or six tons and a half, where steel is employed, per square inch.
Página 131 - PRISMOIDAL FORMULA. To the two end areas add four times the middle area, and multiply the sum by one-sixth of the length of the prismoid. Thus : from the foregoing example, the sum of the end areas, 592, added to four times their meswi, 1184, gives 1776, and 1776 X 16-7 = 29659-2 cubic feet, = 1098-5 cubic yards.
Página 6 - Bridges— Public Roads Number Accommodation Bridges and Works Viaducts Culverts and Drains Metallings of roads and level crossings Gatekeepers' houses at level crossings Permanent way, including fencing : Coil per Mile.
Página 46 - Well, consider how the sentence can be used. It can be used to express the conclusion that might be drawn from a series of wellexecuted measurements made on certain kinds of pencil-drawn figures. It can also be used to express the conclusion of a Euclidean geometrical proof.
Página 131 - There is another way of expressing the true content of a prismoid ; it is — to the sum of the end areas add four times the middle area-, and multiply the sum by one-sixth of the length. There are two erroneous rules sometimes used ; the first, by taking the section in the middle as the average section ; and the second, by taking half the sum of the end areas as the average area. The errors arising from each of these methods are seen * Professor Townsend has given another proof and an investigation...
Página 154 - ... inches above the rails, and the level of the upper parts of the highest carriage doors. This applies to all arches, abutments, piers, supports, girders, tunnels, bridges, roofs, walls, posts, tanks, signals, fences, and other works, and to all projections at the side of a railway constructed to any gauge.
Página 10 - When a railway is intended to form a junction with an existing or authorized line of railway, the gradient of such existing or authorized line of railway shall be shown on the deposited section, and in connection therewith, and on the same scale as the general section, for a distance of 800 yards on either side of the point of junction.
Página 7 - Plan shall be added of any Building, Yard, CourtYard or Land within the curtilage of any Building, or of any Ground cultivated as a Garden...