Thorpe, William Henry · London, E. & F.N. Spon, limited; New York, Spon & Chamberlain · leaf 85
e. The second instance of steel construction in which some-what high stress is manifest is that of some steel troughing ofthe Lindsay pattern, used in a bridge built in 1885. Thetroughs ran parallel to the rails, having an effective span of18 feet 8 inches. The depth of the section (which is… … Pig. 47. spends to 11 feet 3 inches of width, the extreme fibre stressworks out at 7 • 5 tons per square inch, under usual engine-loads. The bridge when examined after fourteen years use wasin good condition, and at that time but Htle rusted ; but theend seam rivets were, as is not uncommon with…
Bridges
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