Skinner, Frank W. (Frank Woodward), 1858-1932 · New York, McGraw · leaf 324
bo ao … 3o8 BRIDGE CONSTRUCTION to resist the force developed by suddenly stopping the two en-gines followed by a train weighing 3000 lbs. per lin. ft., assum-ing a coefficient of friction of 20 per cent of the wheel load forthe friction between wheels and rails. The lateral system isproportioned for a…
Bridges
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