The elasticity and resistance of the materials of engineering (1915)
Burr, William H. (William Hubert), 1851-1934 · New York, John Wiley & Sons, inc.; [etc., etc.] · leaf 32
parallelto those direct stresses. If, in Fig. i, a straight piece ofmaterial CD is subjected to the tensile stress induced bythe forces P equal and opposite to each other, there will bepure tension only on all planes or sections of the piece atright angles to the direction of the forces P, such as… … On every oblique plane or section in all parts of thepiece as HK\ supposed to be perpendicular to the planeof the diagram, there will be shear as well as directstress of tension normal to it, the intensities of both theshear and the normal stress being dependent upon theangle a between HK and H^K\…
Strength of materials · Building materials
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