Elementary theory and calculation of iron bridges and roofs, tr. by H.R. Sankey |
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Elementary Theory and Calculation of Iron Bridges and Roofs, Tr. by H.R. Sankey Georg August D Ritter Prévia não disponível - 2016 |
Termos e frases comuns
a₁ abutments applied beam bending braced arches bridge is fully calculations central span centre chain component considered dead load deflection equal equation of moments equilibrium evidently find the stress following equations force H fully loaded girder shown given in Fig gonals greatest stresses greatest tension h₁ h₂ half Hence hinge hinge-reaction horizontal bars kilos lattice girders lever arm live load load produces load Q loading boundary lower boom lower joints M₁ maximum method of moments millimetre minimum stress moving load negative obtained parabolic girder permanent load pier points of support positive resultant ribs roof S₁ section line shown in Fig stress produced structure substituting suspension bridge temperature tons top joint truss U₁ U₂ uniformly distributed unit of length unloaded upper joints V₁ max V₂ vertical forces vertical reaction weight X₁ X₂ Y₁ Y₂ Z₁
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