Movable and Long-span Steel BridgesGeorge A. Hool, William Spaulding Kinne, Roy Richard Zippoldt, Harold Edward Langley |
Contents
PREFACE TO THE SECOND EDITION | 1 |
Cablelift bascules | 8 |
Rollerlift bascules | 15 |
Copyright | |
21 other sections not shown
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Common terms and phrases
anchor arm anchorage arch rib assumed bascule bascule bridge Beaver Bridge bending bending moment cable calculated cantilever arm cantilever bridges cent center of gravity chord members computed construction continuous bridge counterweight dead load deflection determined displacement elastic center elastic curve elastic load equations equilibrium polygon erection eyebars falsework fiber fixed Flange forces gear girder given hinge horizontal influence diagram influence line kips leaf length lift bridge lift span live load load stress load system lower chord main span method moments negative operation ordinates panel point pier pole distance R₁ reaction components redundant residual cantilever residual frame Sciotoville Bridge shown in Fig side spans skewback statically determinate steel stiffening truss structure suspended span suspension bridge Table three-hinged Total tower trunnion uniform load unit load values vertical lift vertical lift bridges weight wind load wire ΕΙ