A Text-book on Roofs and Bridges, Volume 1Wiley, 1904 - Bridges |
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Common terms and phrases
angle axle loads bending moment bridge trusses built center of moments chord member chord stresses class E 50 column compression compression members Compute the stresses counter cross-section dead load stresses dead panel load deflection diagonals diagram distance end posts Engineering equal excess load eyebar flexural floor beams formula greatest stress hence highway bridges horizontal kip-feet kips lateral system lever arm linear foot live load stresses live panel loads locomotive lower chord method method of moments middle minimum stresses number of panels panel length panel points Pennsylvania portal bracing pounds per linear pounds per square Pratt truss Prob purlins railroad bridge reaction riveted roof truss S₁ S₂ shear shown in Fig simple truss square inch SQUIRE WHIPPLE stresses due stringers struts sub-verticals sway bracing tension track truss bridge truss in Fig unit-stress upper chord Warren truss weight wheel wind load zero