International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 671
n span, supported atboth ends, and >vhich is at the same time subjectedboth to a transverse strain and to a longitudinaltensile or pulling one, or to a longitudinal com-pressive one : Rule.— When the longitudinal strain is tensile, find sepa-rately the safe dimensions as if for a beam alone, and… … Fin. 629. RAILROAD STRUCTURES. 1257 the safe dimensions as if for a beam alone, and as if for apillar alone, and add the t7Co resulting areas together. Example.—A rectangular horizontal beam of yellow pine of 14 feetspan is to sustain a uniformly distributed transverse load of 40,000 lb.,and a…
Railroad engineering
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