Skeleton Structures: Especially in Their Application to the Building of Steel & Iron BridgesVan Nostrand, 1867 - 96 páginas |
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Página 6
... fixed by calculation with the utmost exactness , more so than in other structures . By this system the material can be disposed of in the most advantageous manner , and thus be reduced to a minimum . For in no part is it necessary to ...
... fixed by calculation with the utmost exactness , more so than in other structures . By this system the material can be disposed of in the most advantageous manner , and thus be reduced to a minimum . For in no part is it necessary to ...
Página 10
... fixed position , it is necessary that each connection- point be fixed absolutely by its meeting bars , and that no part of the structure can move while another keeps its position . A moving in this way , for example , is possible , when ...
... fixed position , it is necessary that each connection- point be fixed absolutely by its meeting bars , and that no part of the structure can move while another keeps its position . A moving in this way , for example , is possible , when ...
Página 11
... fixed and b likewise - c and d are still moveable - but as soon as we fix a and c the figure is com- pletely determined . To fix , there- fore , the position and figure of a four - sided figure , we are obliged to place two opposite ...
... fixed and b likewise - c and d are still moveable - but as soon as we fix a and c the figure is com- pletely determined . To fix , there- fore , the position and figure of a four - sided figure , we are obliged to place two opposite ...
Página 14
... fixed , as soon as three points of it , which are not lying in one straight line , are determined . If the structure is to remain in one plane , which is the case in a com- mon girder , two points will answer this requirement . VALUE OF ...
... fixed , as soon as three points of it , which are not lying in one straight line , are determined . If the structure is to remain in one plane , which is the case in a com- mon girder , two points will answer this requirement . VALUE OF ...
Página 25
... B $ R 0 u C 1 ponent forces , which can be ascertained after the direc- tion of X and 0 Y is fixed . Because AOC A is rectangular , we find : R2 = U2 + V and secondly , that the proportion of U and V SKELETON STRUCTURES . 25.
... B $ R 0 u C 1 ponent forces , which can be ascertained after the direc- tion of X and 0 Y is fixed . Because AOC A is rectangular , we find : R2 = U2 + V and secondly , that the proportion of U and V SKELETON STRUCTURES . 25.
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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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