Skeleton Structures: Especially in Their Application to the Building of Steel & Iron BridgesVan Nostrand, 1867 - 96 páginas |
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Página 59
... to the greatest load which the bridge shall carry . = In the following it is assumed that this load , in- cluding the weight of the platform , is for a single line of rail 2 tons per running foot . In proportion to this uniform load the ...
... to the greatest load which the bridge shall carry . = In the following it is assumed that this load , in- cluding the weight of the platform , is for a single line of rail 2 tons per running foot . In proportion to this uniform load the ...
Página 61
... tons of each bar ; if the girder is thus loaded , that dead weight and rolling load amount to one ton per running foot . By taking steel of 10 tons admissible strain per in . , the dead weight of one girder will be to ton , there- fore ...
... tons of each bar ; if the girder is thus loaded , that dead weight and rolling load amount to one ton per running foot . By taking steel of 10 tons admissible strain per in . , the dead weight of one girder will be to ton , there- fore ...
Página 65
... per running foot , unless the corre- sponding number of the first column be overstepped . Consequently , a bridge having two girders can carry , together with the platform , 2 tons per running foot ; which is a heavy load for a single ...
... per running foot , unless the corre- sponding number of the first column be overstepped . Consequently , a bridge having two girders can carry , together with the platform , 2 tons per running foot ; which is a heavy load for a single ...
Página 66
... Weight and that of the Platform , 1 Tons per Running Foot . Tin Tons . Weight of One Girder in Tons . 5 7.8 67 6.4 5.4 8 4.7 9 4.2 10 3.7 11 3.4 12 3.1 If one girder weighs 7-8 tons , two girders would weigh 15.62 ; the platform 20 tons ...
... Weight and that of the Platform , 1 Tons per Running Foot . Tin Tons . Weight of One Girder in Tons . 5 7.8 67 6.4 5.4 8 4.7 9 4.2 10 3.7 11 3.4 12 3.1 If one girder weighs 7-8 tons , two girders would weigh 15.62 ; the platform 20 tons ...
Página 67
... tons per running foot , making 20 tons for the whole girder . As now , however , lately , such lattice - girders have been built sometimes lighter , the average weight of a 100 ft . bridge would scarcely be taken below 0.15 tons per ...
... tons per running foot , making 20 tons for the whole girder . As now , however , lately , such lattice - girders have been built sometimes lighter , the average weight of a 100 ft . bridge would scarcely be taken below 0.15 tons per ...
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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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