The elasticity and resistance of the materials of engineering (1883)
Burr, William H. (William Hubert), 1851-1934 · New York, J. Wiley & sons · leaf 27
city, of agiven kind, is the same in all directions. Let Fig. I represent a body subjected to tension parallel toCD. That oblique section on which the shear has the greatesty^ E B intensity will make an angle of 45° with either of those faceswhose traces are CD or BD ; forif « is the angle which… … P sin a P -r, = -IT, stn a cos a. A sec a A (0 The second member of Eq. (i) evidently has its greatest Art. 4.] SHEARING AND DIRECT STRESS. 7 value for a = 45°. Hence, if the tensile intensity on BD is prepresented by -^ =/, the greatest intensity of shear will be : S = l (2) Then by Eq. (3) of…
Strength of materials · Building materials
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