Bridge Engineering, Volumen1,Parte2

abutments adopted arch rib arch shortening assumed bars bascule bascule bridge beam Bolts bottom chord bracing bridge cables caisson camber cantilever carried centre chapter cofferdam columns compression computed construction contraflexure counterfort counterweights crib crown curves cylinder dead load deck depth diagonal diagram diameter East Omaha effect employed Engineering equal Equation face-wall falsework feet figured formula foundation girder given horizontal latter lineal foot live load load points masonry material maximum metal method moment of inertia moments movable necessary open-dredging operating panel pier piles placed pneumatic portion position pressure Railway ratio reinforced concrete River riveted shaft shown in Fig side sinking slab span length splices springing square inch steel structure swing span temperature tensile stress tension thickness thrust timber tion tower trunnion unit shear vertical lift vertical lift bridges wall weight width Willamette River