International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 623
gers extend back fromthe face of the crib several feet. The bottoms of thestringers should be kept from coming in contact withthe earth of the embankment. This may be preventedby spiking planks to the crib timbers underneath thestringers. The stringers should be drift-bolted to thecrib timbers.… … Fir,. 617. Connection between the embankment and the trestlemay be made by means of a l?aul bent, either of piles orframed. This construction is more favored than the cribform previously described. It consists of a strong frame orpile bent built into the slope at the end of the embani:mentfor the…
Railroad engineering
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