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 331
0,000,pounds. As the piece of material in question is subjectedto a compressive stress, we find by referring to table No. 1that the ultimate compressive strength of cast iron is90,000 pounds per square inch of section. To find, then, the required area of a section, divide theload, 800,000 pounds by… … Fig. 118 Let us employ a factor of safety of 4 for wrought iron.That is, we will consider the load which is to be carriedto be 4 times greater than 80,000 pounds that is, 320,000pounds. As the piece of material in question is subjected toa shearing stress, we find, by referring to table No. 1,…
Mechanics · Arithmetic · Measurement
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