Elementary Theory and Calculation of Iron Bridges and RoofsE. & F.N. Spon, 1879 - 395 стор. |
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Загальні терміни та фрази
a₁ abutments axis beam bending braced arches bridge is fully calculations central span centre chains component considered dead load deflection distributed load 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 height 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 uniformly distributed unit of length unloaded upper joints V₁ V₂ vertical forces vertical reaction X₁ X₂ Y₁ Y₂ Z₁ Z₂
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Сторінка 397 - ... Section III. Construction of Floors — Section IV. Construction of Roofs — Section V, Construction of Domes and Cupolas — Section VI. Construction of Partitions — Section VII. Scaffolds, Staging, and Gantries— Section VIII. Construction of Centres for Bridges — Section IX. Coffer-dams, Shoring, and Strutting— Section X. Wooden Bridges and Viaducts — Section XI. Joints, Straps, and other Fastenings — Section XII. Timber. Our Factories, Workshops, and Warehouses : their Sanitary...