A Treatise on Bracing: With Its Application to Bridges and Other Structures of Wood Or IronD. Van Nostrand, 1874 - 48 páginas |
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abutment ACTION IN CLASS angle applied arrangement brac BRACED FORMS braced structure BRACINGS REQUIRED bridge BROUGHT INTO ACTION cast-iron centre CHAPTER CLASS FOURTH completely braced compres compressive strains considerable constructed curve depth diminish direction effect employed extrados feather Figure 15 Figure 21 Figure 38 Figure 49 Figure 59 flexible arches form of bracing formula girder horizontal bracing horizontal thrust increase joints Lattice Bridge length lever rule line of pressures longitudinal beams longitudinal member lower beam lower longitudinal maximum compression maximum strains method of bracing mid-span pair of braces parabola piece pier Q planks plate plate-bracing portion produced represent resolved resultant roadway seen in Figure shown by Figure side sockets span spandrils stiffened strength strut sufficient TABLE take place tension tensive strain terminal braces tion transverse trenails trussing tube UNIVERSITY OF CALIFORNIA upper beam vertical element voussoirs WOODEN wrought iron