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abutments applied axis beam bending bending moment braced arches bridge is fully calculations central span centre chains considered cross-section curve dead load deflection diagonals equal equation of moments equilibrium evidently fibre find the stresses following equations force K fully loaded given in Fig gonals greatest compression greatest stress half Hence hinge hinge-reaction horizontal bars horizontal reactions increase kilos lattice girders lever arm live load load produces load Q loading boundary lower boom lower joints maximum stress method of moments metre run minimum moment of inertia moving load multiplied negative obtained parabolic girder permanent load pier points of support positive quantity of material resist resultant ribs ring rods roof section line shown in Fig square millimetre stress produced structure substituting suspension bridge tons truss unit of length unloaded vertical forces vertical reaction weight whence
Página 397 - Elementary Theory and Calculation of Iron Bridges and Roofs. By AUGUST RITTER, Ph.D., Professor at the Polytechnic School at Aix-la-Chapelle. Translated from the third German edition, by HR SANKEY, Capt. RE With 500 illustrations, 8vo, cloth, 15*. The Builders Clerk : a Guide to the Management of a Builder's Business.
Página 396 - Schedule of Prices. Form of Schedule of Prices. Analysis of Schedule of Prices. Adjustment of Accounts. Form of a Bill of Variations. Remarks on Specifications. Prices and Valuation of Work, with Examples and Remarks upon each Trade. The Law as it affects Quantity Surveyors, with Law Reports. Taking Off after the Old Method. Northern Practice. The General Statement of the Methods recommended by the Manchester Society of Architects for taking Quantities. Examples of Collections. Examples of ' ' Taking...
Página 396 - Hurst's is the very best of them all, without any exception. It would be useless to attempt a recapitulation of the contents, for it appears to contain almost...
Página 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...