Skeleton Structures: Especially in Their Application to the Building of Steel & Iron BridgesVan Nostrand, 1867 - 96 páginas |
Dentro del libro
Resultados 1-5 de 20
Página 4
... able to do- I venture to express the hope that they will receive these theoretical results with some confidence , even although an opportunity is wanting to compare them with practical results . Westminster , March , 1866 . O. H. ...
... able to do- I venture to express the hope that they will receive these theoretical results with some confidence , even although an opportunity is wanting to compare them with practical results . Westminster , March , 1866 . O. H. ...
Página 9
... able to ascertain the exact strain which acts in each single bar . I mentioned already that one of the great advantages of these structures is , that the different strains could be ascertained by calculation with the greatest exactness ...
... able to ascertain the exact strain which acts in each single bar . I mentioned already that one of the great advantages of these structures is , that the different strains could be ascertained by calculation with the greatest exactness ...
Página 23
... able to solve a number of problems , as I shall show when I have explained their general character . These prob- lems are all contained in the principal one - to calcu- late the forces which act in any system of bars , bolted together ...
... able to solve a number of problems , as I shall show when I have explained their general character . These prob- lems are all contained in the principal one - to calcu- late the forces which act in any system of bars , bolted together ...
Página 25
... able to represent any number of forces acting upon a point by a single force . It enables us further to resolve any force into two given directions , and to ascertain the amount of these two forces ; so that if , besides a number of ...
... able to represent any number of forces acting upon a point by a single force . It enables us further to resolve any force into two given directions , and to ascertain the amount of these two forces ; so that if , besides a number of ...
Página 26
... R = 0 Q : 0 P , V : R = 0 Q : 0 P. Ꭱ By this it follows that U = 0 Q Ο Ρ R , 0 Q R or : because and V = Ο Ρ U = R cos o , V = R sin 4 , 0 Q O P O Q O P = COS = sin . We see by this that we always are able to 26 SKELETON STRUCTURES .
... R = 0 Q : 0 P , V : R = 0 Q : 0 P. Ꭱ By this it follows that U = 0 Q Ο Ρ R , 0 Q R or : because and V = Ο Ρ U = R cos o , V = R sin 4 , 0 Q O P O Q O P = COS = sin . We see by this that we always are able to 26 SKELETON STRUCTURES .
Otras ediciones - Ver todas
Términos y frases comunes
75 cents admissible strain Artillery ascertain beam bolt Britannia Bridge calculation Captain carry Cavalry compression connection-points construction Corps of Engineers dead weight deflection determined diagonal displacings engravings equal equations exactly example experiments exposed feet span firstly fixed formula GILLMORE gives greatest GUNNERY heat Hypsometry Illustrated increase Infantry instruction introducing iron length limit of elasticity load per running Major-General Manual Maps material Merrimack River Military Academy modulus of elasticity Naval octavo Officers OLAUS HENRICI Ordnance parallelogram of forces plates Practical pressure prolongation proportion q tons REBELLION Rifle rigidity roadway running foot single line Skeleton Bridge skeleton girder Skeleton Structures Steam steel strains caused superfluous bars suspended bridges tables TACTICS temperature tensile force tension tion tons per inch tons per running Treatise trussed bridges U. S. Army U. S. Navy United v₁ Volunteers West Point whilst whole
Pasajes populares
Página 14 - THREE YEARS IN THE SIXTH CORPS. A concise narrative of events in the Army of the Potomac from 1861 to the Close of the Rebellion. April, 1865. By Geo. T. Stevens, Surgeon of the 77th Regt. New York Volunteers. Illustrated with 17 engravings and six steel portraits.
Página 13 - THE BATTLE-FIELDS OF VIRGINIA. Chancellorsville, embracing the Operations of the Army of Northern Virginia. From the First Battle of Fredericksburg to the Death of Lt.-Gen.
Página 29 - Levelling. A TREATISE on the PRINCIPLES and PRACTICE of LEVELLING ; showing its Application to Purposes of Railway and Civil Engineering, in the Construction of Roads ; with Mr. TELFORD'S Rules for the same. By FREDERICK W. SIMMS, FGS, M. Inst.
Página 24 - ROEBLING (JA) Long and Short Span Railway Bridges. By John A. Roebling, CE Illustrated with large copperplate engravings of plans and views.
Página 29 - Key to the Solar Compass, and Surveyor's Companion. Comprising all the rules necessary for use in the field; also description of the Linear Surveys and Public Land System of the United States, Notes on the Barometer, Suggestions for an Outfit for a Survey of Four Months, etc.
Página 6 - A Course of Instruction in the Elements of the Art and Science of War, for the Use of the Cadets of the United States Military Academy, West Point, NY 12mo, cloth $1 .75 Field Fortifications.
Página 25 - Treatise on Roll-Turning for the Manufacture of Iron. Translated and adapted by John B. Pearse, of the Pennsylvania Steel Works, with numerous engravings, wood-cuts.
Página 23 - Lowell Hydraulic Experiments. Being a selection from experiments on Hydraulic Motors on the Flow of Water over Weirs, in Open Canals of uniform rectangular section, and through submerged Orifices and diverging Tubes. Made at Lowell, Mass. Fourth Edition, revised and enlarged, with many new experiments, and illustrated with 23 copper-plate engravings.
Página 25 - Schools, in which the Definitions and Rules of Geometry are familiarly explained ; the Practical Problems are arranged, from the most simple to the more complex, and in their description technicalities are avoided as much as possible. With illustrations for Drawing Plans, Sections, and Elevations of Buildings and Machinery ; an Introduction to Isometrical Drawing, and an Essay on Linear Perspective and Shadows. Illustrated with over 200 diagrams engraved on steel.
Página 24 - Railway Practice American and European Railway Practice in the economical Generation of Steam, including the Materials and Construction of Coal-burning Boilers, Combustion, the Variable Blast...