Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 164
-y- and the normal stress across hori-zontal planes is assumed to be zero. The shearingstress across horizontal and vertical planes is given by Assuming the axis of x horizontal, then in the notationof equations (A); (B), (C), and (D), px = p, py = o, STRESS, STRAIN, AND ELASTIC FAILURE 143 and q =… … the axis of x are the planes of pure compression indicatedby heavy lines. At A and B both q = o and p = o, therefore a isindeterminate; p = o because on the section AD, M = o. Similarly, along the plane DC the lightly drawn linesindicate the planes of pure tension. Along AD, p = o (for M = o) and g…
Mechanics
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