International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 654
. Thesmaller-sized timbers, on account of their thorough andrapid seasoning, are less liable to suffer from dry rot, andbeing of comparatively small weight, they are easily andcheaply handled. It is a common ijraclicc, where split capsare used, to make the tenons at the end of the pile (i inchesin… … inches in thickness is ample and insures a shoulder of amplewidth. The stringer joint is shown in detail at B. Thestringers are not notched over the caps, but are sized with 1240 RAILROAD STRUCTURES. an adz to a uniform thickness. Large timbers are certainto vary from | inch to | inch in thickness;…
Railroad engineering
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