Structural analysis and design of airplanes (1920)
United States. Army. Air Corps · [Washington] · leaf 37
stress, if the beams are improperly designed. The examplewhich follows makes the application of the shear formula clear. CALCULATION OF HORIZONTAL SHEAR STRESSESIN A BEAM Assume a beam of the section shown in Fig. 21. 2X(3.6)3 (2.0— .6) X (2.4)a Moment of inertia = I = = 6.17 12 12 Maximum statical… … Fig. 21. Section of a Beam In addition to horizontal shear stresses, stresses due to vertical shearare present. These stresses act in planes at right angles to the horizontalshear stresses, and at any point are equal to the latter, in accordancewith the principle that shear stresses on any two…
Airplanes
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