A hand book of general instruction for mechanics, containing useful rules and memoranda for practical men (1907)
Smith, Franklin Elijah, 1872- · New York, D. Van Nostrand company · leaf 330
As the piece ofmaterial in question is subjected to a tensialfind by referring to table No. 1 that the ulti- STRENGTH OF MATERIALS 317 mate tensial strength of wrought iron is 52,000 poundsper square inch of section. Therefore, to find the required area of section, dividethe load 816,000 pounds by… … Fig. 117 Let us employ a factor of safety, say 5 for cast iron.That is, we will suppose the load which is to be sustainedwill be 5 times greater than 160,000, which is 800,000,pounds. As the piece of material in question is subjectedto a compressive stress, we find by referring to table No. 1that…
Mechanics · Arithmetic · Measurement
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