International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 610
lyremoved without damagingthe braces, which may beused a second time, if not^^- ^^^ decayed. Spikes, on the other hand, are difficult to draw, and sway-braces are often split or broken in removing them from the bents. However, second-hand trestle material is of little value, and as spikes are a… … 1196 RAILROAD STRUCTURES. the sway-brace will come in direct contact with every pile orpost, or a packing piece of the necessary thickness should beplaced under the SAvay-brace to give it a full bearing on thebent. 1764. Counter Posts.— Framed bents exceeding aheight of .)() feet are frequently…
Railroad engineering
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