Long-span Railway BridgesE. & F.N. Spon, 1873 - 157 páginas |
De dentro do livro
Resultados 1-5 de 7
Página 88
... wheel base of a tank engine is not unfrequently as little as one - half of the total length of engine , it is obvious at once that in short - span bridges we shall have to entertain rolling loads at least as high as 3 tons per lineal ...
... wheel base of a tank engine is not unfrequently as little as one - half of the total length of engine , it is obvious at once that in short - span bridges we shall have to entertain rolling loads at least as high as 3 tons per lineal ...
Página 102
... wheel coupled tank engine with short wheel base and overhanging ends , when the permanent way is weak or badly maintained , and this fact should be kept clearly in view when proportioning the cross girders of a bridge subject to be ...
... wheel coupled tank engine with short wheel base and overhanging ends , when the permanent way is weak or badly maintained , and this fact should be kept clearly in view when proportioning the cross girders of a bridge subject to be ...
Página 103
... wheel base of but 14 ft . , and an overhang at each end of more than half that amount , for the working of the traffic over this bridge . With the results of Weber's experiments before us , a fair idea may be formed of the plunging ...
... wheel base of but 14 ft . , and an overhang at each end of more than half that amount , for the working of the traffic over this bridge . With the results of Weber's experiments before us , a fair idea may be formed of the plunging ...
Página 111
... wheels must not exceed 15 tons . A few engines were constructed for the North London Rail- way , with 32 tons upon four coupled wheels , but in sub- sequent engines the wheel base was altered so as to reduce this load to the generally ...
... wheels must not exceed 15 tons . A few engines were constructed for the North London Rail- way , with 32 tons upon four coupled wheels , but in sub- sequent engines the wheel base was altered so as to reduce this load to the generally ...
Página 112
... wheel base ; the 8 ft . driving wheels are placed 7 ft . 9 in . behind the bogie , and the trailing wheels a further distance of 8 ft . 8 in . in the rear , hence the total wheel base of the engine is 22 ft . 11 in . The normal loads ...
... wheel base ; the 8 ft . driving wheels are placed 7 ft . 9 in . behind the bogie , and the trailing wheels a further distance of 8 ft . 8 in . in the rear , hence the total wheel base of the engine is 22 ft . 11 in . The normal loads ...
Outras edições - Ver todos
Long-span Railway Bridges (revised Edition): Comprising Investigations of ... Sir Benjamin Baker Visualização completa - 1873 |
Long-span Railway Bridges: Comprising Investigations of the Comparative ... Sir Benjamin Baker Visualização completa - 1867 |
Long-span Railway Bridges (revised Edition): Comprising Investigations of ... Sir Benjamin Baker Visualização completa - 1873 |
Termos e frases comuns
actual weight amount arched rib Assoc bars bending bowstring girder Boyne Viaduct breaking weight cantilever cent centre cloth compression member continuous girder cross girders secured crown 8vo dead load deflection diagram Division double line driving wheels economic depth edition effect equal fcap flanges of main foot run girders and bracing girders with cross hence horizontal action horizontal bracing illustrations increase independent girder Inst instance ironwork lattice girder leading wheels line of railway load per foot long-span bridges lower flanges maximum metal required mixed load normal load ordinary piers plate girders platform proportion rails rolling load secured to lower short-span railway bridges Span in feet spandrils springs square inch Steel stiffening girder straight-link strain in cwts structure suspension bridge t₁ Three main girders ton per foot tons per foot tons per square trailing wheels unit strain vertical viaduct weight of iron weight per foot wheel base whilst
Passagens mais conhecidas
Página 14 - Algebra Self-Taught. By WP HIGGS, MA, D.Sc., LL.D., Assoc. Inst CE, Author of 'A Handbook of the Differential Calculus,' etc. Second edition, crown 8vo, cloth, 2s. 6d. CONTENTS : Symbols and the Signs of Operation — The Equation and the Unknown...
Página 26 - Fur, 5 pp. Gas, Coal, 8 pp. Gems. Glass, 45 pp. 77 figs. Graphite, 7 pp. Hair, 7 pp. Hair Manufactures. Hats, 26 pp. 26 figs. Honey. Hops. Horn. Ice, 10 pp. 14 figs. Indiarubber Manufactures, 23 pp. 17 figs. Ink, 17 pp. Ivory. Jute Manufactures, 1 1 pp., II figs.
Página 18 - ... crown 8vo, cloth, 6s. CONTENTS : On Lathes-*— Turning Tools — Turning Wood — Drilling — Screw Cutting — Miscellaneous Apparatus and Processes — Turning Particular Forms — Staining — Polishing — Spinning Metals — Materials — Ornamental Turning, etc. Health and Comfort in House Building, or Ventilation with Warm Air by Self-Acting Suction Power, with Review of the mode of Calculating the Draught in Hot-Air Flues, and with some actual Experiments. By J. DRYSDALE, MD, and JW...
Página 12 - Screw Cutting Tables, for the use of Mechanical Engineers, showing the proper arrangement of Wheels for cutting the Threads of Screws of any required pitch, with a Table for making the Universal Gas-pipe Threads and Taps.
Página 11 - A Treatise on Ropemaking as practised in public and private Rope-yards, with a Description of the Manufacture, Rules, Tables of Weights, etc., adapted to the Trade, Shipping, Mining, Railways, Builders, etc. By R. CHAPMAN, formerly foreman to Messrs. Huddart and Co., Limehouse, and late Master Ropemaker to HM Dockyard, Deptford. Second edition, I2mo, cloth, 3*. Laxtoris Builders and Contractors Tables ; for the use of Engineers, Architects, Surveyors, Builders, Land Agents, and others.
Página 8 - Treatise on Valve-Gears, with special consideration of the Link-Motions of Locomotive Engines. By Dr. GUSTAV ZEUNER, Professor of Applied Mechanics at the Confederated Polytechnikum of Zurich. Translated from the Fourth German Edition, by Professor JF KLEIN, Lehigh University, Bethlehem, Pa. Illustrated, 8vo, cloth, 12s.
Página 11 - The Draughtsman's Handbook of Plan and Map Drawing; including instructions for the preparation of Engineering, Architectural, and Mechanical Drawings. With numerous illustrations in the text, and 33 plates (15 printed in colours'). By GG ANDRE, FGS, Assoc.
Página 1 - A Pocket-Book for Chemists, Chemical Manufacturers, Metallurgists, Dyers, Distillers, Brewers, Sugar Refiners, Photographers, Students, etc., etc. By THOMAS BAYLEY, Assoc. RC Sc. Ireland, Analytical and Consulting Chemist and Assayer. Fourth edition, with additions, 437 pp., royal 32m0, roan, gilt edges, 5*.
Página 3 - Hurst-s is the very best of them all, without any exception. It would be useless to attempt a recapitulation of the contents, for it appears to contain almost everything that anyone connected with building could require, and, best of all, made up in a compact form for carrying in the pocket, measuring only 5 in. by 3 in., and about J in.
Página 13 - A Practical Treatise on the Science of Land and Engineering Surveying, Levelling, Estimating Quantities, etc., with a general description of the several Instruments required for Surveying, Levelling, Plotting, etc.