Skeleton Structures: Especially in Their Application to the Building of Steel & Iron BridgesVan Nostrand, 1867 - 96 páginas |
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Página 16
... rule of expe- rience . When a solid body is exposed to a pressure , the material will be exposed to a certain compression , and the greater the pressure the greater the com- pression . As long as this pressure does not exceed a certain ...
... rule of expe- rience . When a solid body is exposed to a pressure , the material will be exposed to a certain compression , and the greater the pressure the greater the com- pression . As long as this pressure does not exceed a certain ...
Página 18
... rules . If further , these bolts fit exactly , and are superfi- cially hardened , there is no reason whatever for this connection wearing more or not having the same duration as any other . The above discussed points might have found ...
... rules . If further , these bolts fit exactly , and are superfi- cially hardened , there is no reason whatever for this connection wearing more or not having the same duration as any other . The above discussed points might have found ...
Página 19
... rules taken from experience . Having thus gained a good basis for the application of the ever - true rules of mathematics , we will find that the results obtained by the aid of mathematical formulæ must give the same correctness as the ...
... rules taken from experience . Having thus gained a good basis for the application of the ever - true rules of mathematics , we will find that the results obtained by the aid of mathematical formulæ must give the same correctness as the ...
Página 22
... rule as for tension . It is : P = Pr Eq or if on each side the signs are changed : P - Pr Eq For most of the materials however the limit within which the formulæ are right is different for tension and compression ; but as we in practice ...
... rule as for tension . It is : P = Pr Eq or if on each side the signs are changed : P - Pr Eq For most of the materials however the limit within which the formulæ are right is different for tension and compression ; but as we in practice ...
Página 24
... rule , which may be explained as follows : In each structure composed in the above way the result- ing force of the strains in the bars and the exterior forces will in each connection - point be = 0 . This rule expressed by mathematics ...
... rule , which may be explained as follows : In each structure composed in the above way the result- ing force of the strains in the bars and the exterior forces will in each connection - point be = 0 . This rule expressed by mathematics ...
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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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