International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 519
nfirmed by experiment, a col-umn having one end flat and theother rounded, like b^ is 2:^ timesas strong as a column having both ends rounded, like c. One having both ends flat, like a^ is 4 times as strongas r, which has both ends rounded, the three columns beingof the same length. If the length… … Fig. 233. Strength of c is to that of Z as 1 : , or as 1 45- But, 508 STRENGTH OF MATERIALS. since b is 2^ = f times as strong as f, f X | = 1, or thelength of b being \\ times that of c, its strength is the same.Similarly, when a is twice as long as c its strength is thesame. 1168. Columns like b…
Railroad engineering
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