Skeleton Structures: Especially in Their Application to the Building of Steel & Iron BridgesVan Nostrand, 1867 - 96 páginas |
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Página 4
... shown that we can found upon this a new principle of construction , which possesses remarkable advantages : it is the principle which . under the name of Skeleton Structures , is more closely examined in this treatise . The calculations ...
... shown that we can found upon this a new principle of construction , which possesses remarkable advantages : it is the principle which . under the name of Skeleton Structures , is more closely examined in this treatise . The calculations ...
Página 33
... shown that the strains can be calculated very exactly ( and the sections of the bars made accordingly ) , we have proved one of the former asser- tions , viz . , that each bar can be made exactly as strong as necessary ; and thus we ...
... shown that the strains can be calculated very exactly ( and the sections of the bars made accordingly ) , we have proved one of the former asser- tions , viz . , that each bar can be made exactly as strong as necessary ; and thus we ...
Página 37
... shown before , that p is always a very small fraction ; therefore p2 is remarkably small , and even in comparison with p itself , so small , that we may omit it altogether . The same may be done with the square of uzu , and with v - v ...
... shown before , that p is always a very small fraction ; therefore p2 is remarkably small , and even in comparison with p itself , so small , that we may omit it altogether . The same may be done with the square of uzu , and with v - v ...
Página 39
... shown , for example , in steel , in which , under a strain of twelve tons per inch p is always smaller or equal to 0.0009.7- it can never be more , and will seldom reach this value . For iron , p will be found to be smaller in ...
... shown , for example , in steel , in which , under a strain of twelve tons per inch p is always smaller or equal to 0.0009.7- it can never be more , and will seldom reach this value . For iron , p will be found to be smaller in ...
Página 46
... shown above , and according to these strains we fix the sections , so that one is exposed in each bar to an equal strain . in . section On this account we must know the load P. Let P be equal 10 tons , and the whole structure be ...
... shown above , and according to these strains we fix the sections , so that one is exposed in each bar to an equal strain . in . section On this account we must know the load P. Let P be equal 10 tons , and the whole structure be ...
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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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