Title | ABOUT | CONTENTS | GLOSSARY |
J.A.L. Waddell — INDEX — Bridge Engineering |
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VVacation, annual, 1608 Valuation of materials furnished, 1480 Valuation of work done, 1480 Value of bridge engineers' services, 37 "Value of English to the Technical Man," 1573 Value of pigment, 766 Van Brunt, Henry, 1150 Van Ornum, Professor, 1059 nickel in, 85 Vanadium-chromium steel, 82 bridges, costs of, 85 bridges, economics of, 86 heat-treated, 84 possibilities of, 90 strength of, 82 titanium in, 85 Variable clauses, 1741 Variation, permissible, in weight and gauge, 1779 Varying of panel lengths, 1068 Vehicle for paint, 766 Velocities of current, determination of, 1148 Velocities of trains, 132, 134 Vera Cruz and Pacific Railway Bridge, foundations, 983 Vertical end posts for through spans, 481 Vertical lift bridges, 717-746 advantages of, 746 cambering of towers for, 762, 763, 764 comparison with bascules, 1208 comparison with swing spans, 722, 1208 counterbalancing chains, guides for, 1722 history of, 717 hydraulic buffers for, 723 longest movable span of, 737 machinery for, 1789 Pennsylvania Railroad Company at Chicago, 734, 736 provision for cantilever bracket loading, 746 Rall, 743 Strauss, 743 tabulation of, 744 unbalanced loads on, 722 wind loads for, 155 Vertical loads on girder flanges, rivet pitches for, 436 Vertical splice plates, main, design of, 451 Vertical sway bracing, 401, 402, 404 Vessel signals, 1801 Vessels, loading metal on, 1766 columns, tops of, 339 cross-frames, 338 definition, 534 girder depths, 329 highway, 1686 tower-girders, 339 towers, 329 Viaur Viaduct (France), 631, 632 Vibration, effect of, 256 formula, Robinson's, 124 Victoria bridge, 23 Void drawings, 1390, 1396 Voids, percentage of, 1467, 1468 Volatilization test for asphalt, 1820 "Volume of Layout," 1338 |