Skeleton Structures: Especially in Their Application to the Building of Steel & Iron BridgesVan Nostrand, 1867 - 96 páginas |
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Página 56
... examine , as the connection by bolts , on which the strength and permanence of these structures depend , has already been considered in detail . Two points of comparison with other bridges pre- sent themselves : firstly , the weight of ...
... examine , as the connection by bolts , on which the strength and permanence of these structures depend , has already been considered in detail . Two points of comparison with other bridges pre- sent themselves : firstly , the weight of ...
Página 57
... examination of the suspended and trussed bridges ; and principally the simplest of these ( see Fig . 1 , Plate I. ) , where it will be observed that the trussed girder is the reverse of the suspended . SUSPENDED BEAMS . The suspended ...
... examination of the suspended and trussed bridges ; and principally the simplest of these ( see Fig . 1 , Plate I. ) , where it will be observed that the trussed girder is the reverse of the suspended . SUSPENDED BEAMS . The suspended ...
Página 71
... examined thoroughly in order to explain the character of the whole system . Henceforward I can be more concise , as I now pro- ceed to give the weights of girders for different and larger spans , and to compare these with some of the ...
... examined thoroughly in order to explain the character of the whole system . Henceforward I can be more concise , as I now pro- ceed to give the weights of girders for different and larger spans , and to compare these with some of the ...
Página 83
... . ) the calculation is far simpler than for the suspended , which have been examined previously . First , there is here nowhere a superfluous rod ; and , further , as the girder is only fixed at the one end , and SKELETON STRUCTURES . 83.
... . ) the calculation is far simpler than for the suspended , which have been examined previously . First , there is here nowhere a superfluous rod ; and , further , as the girder is only fixed at the one end , and SKELETON STRUCTURES . 83.
Página 85
... examined , and are then calculated for various spans . ( See Appendix . ) TABLE IX . Containing the weight in Tons of One Girder , like Fig . 7 , which can carry , besides its own weight , one Ton per running Foot . T 25 50 75 100 150 ...
... examined , and are then calculated for various spans . ( See Appendix . ) TABLE IX . Containing the weight in Tons of One Girder , like Fig . 7 , which can carry , besides its own weight , one Ton per running Foot . T 25 50 75 100 150 ...
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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
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