Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 302
ives 571-2013 = - 1442lb. per square inch. The sign may be considered either positiveor negative since it merely indicates the direction in which theforce acts and does not affect the magnitude of the force. Seealso Art. 135. PUNCH AND SHEAR DETAILS 269 Any other section of the frame can be… … Fig. 134. that at the section A, aS, = TF-f-area A; Sit B, *Si = F6-j-area B,but Fb = W cos a hence Si = W cos a -r- area B; at C, S^ = W cosa-T-area C and so on until S^ becomes zero at section E. At thispoint the frame should be examined for both bending and shear-ing and the larger requirement…
Machine design
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