Elementary Theory and Calculation of Iron Bridges and RoofsE. & F.N. Spon, 1879 - 395 páginas |
Dentro del libro
Resultados 1-5 de 34
Página 1
... uniformly distributed over the whole sectional area ; but in the case of a beam under bending stress , it cannot be complied with , because the stresses are not uniformly distributed over the cross - section . Therefore , in a good ...
... uniformly distributed over the whole sectional area ; but in the case of a beam under bending stress , it cannot be complied with , because the stresses are not uniformly distributed over the cross - section . Therefore , in a good ...
Página 2
... evenly distributed over the span , and in accordance with the above , concentrated at the joints ; the degree of ... uniform distribution of the stress were the only consideration . But it is found that in structures subject to ...
... evenly distributed over the span , and in accordance with the above , concentrated at the joints ; the degree of ... uniform distribution of the stress were the only consideration . But it is found that in structures subject to ...
Página 3
... uniformly distributed over the cross - section of any bar , the resultant stress must lie in the mean fibre ; it is therefore evident that unless the mean fibres of the bars connected intersect in a point , the stress , in some of them ...
... uniformly distributed over the cross - section of any bar , the resultant stress must lie in the mean fibre ; it is therefore evident that unless the mean fibres of the bars connected intersect in a point , the stress , in some of them ...
Página 4
... uniformly distributed at every cross - section . This is , for instance , the case if the bow of a bowstring girder is curved between the joints . Fig . 1 represents A ----------- FIG . 1 . B Mean Fibre a portion of the top boom of such ...
... uniformly distributed at every cross - section . This is , for instance , the case if the bow of a bowstring girder is curved between the joints . Fig . 1 represents A ----------- FIG . 1 . B Mean Fibre a portion of the top boom of such ...
Página 32
... uniformly distributed over the span AB , and equal to q per unit of length . Suppose that the chain is cut at its FIG . 42 . FIG . 43 . เ if S B lowest point S ( where it is horizontal ) , and a horizontal force H applied at the point ...
... uniformly distributed over the span AB , and equal to q per unit of length . Suppose that the chain is cut at its FIG . 42 . FIG . 43 . เ if S B lowest point S ( where it is horizontal ) , and a horizontal force H applied at the point ...
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Términos y frases comunes
A₁ abutments axis beam bending braced arches bridge is fully calculations central span centre chains component considered curve dead load deflection equal equation of moments equilibrium evidently find the stress following equations fully loaded girder of Fig girder shown given in Fig gonals greatest stress h₁ h₂ half Hence hinge hinge-reaction horizontal bars kilos lattice girders live load load produces load Q loading boundary lower boom lower joints M₁ maximum method of moments millimetre minimum stress moment of inertia moving load negative obtained parabolic girder permanent load pier points of support positive ribs roof S₁ section line shown in Fig stress produced structure substituting suspension bridge taking moments temperature tons truss U₁ U₂ uniformly distributed unit of length unloaded upper joints V₁ max V₂ vertical forces vertical reaction weight X₁ Y₁ Y₂ Z₁ Z₂
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