... ECONOMICS DESIGN STRUCTURAL STEEL SAVING ERECTION METHODS BRIDGES STANDARDS USAGE WELDING GIRDERS CAPACITY FINANCE RIVETING ZAMBESI BRIDGE BIRCHENOUGH BRI ZAMBEZI BRIDGE 18 DISCUSSION ON behaviour, and the introduction of more accurate methods of determining the stresses to which...

... to theextentadoptedbytheAuthor.Theaverage weighton the North Tyneside line was 0.5 ton per foot, whereas on the Wirral lines it was only 0.45 ton per foot-a saving of 10 per cent.. The cost of high- tension energy for traction purposes only was approximately E39,000 on the NorthTyneside linein 1942, so that a 10-per cent. savinwg ould...