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Unformatted text preview: system as in Problem 2. P T A B x y z P A B 1-2 4. A 100mm x 150 mm rectangular plate QABC is deformed into the shape shown by the dashed lines (Fig.2.6). Determine at point Q the strain components x , y , xy . 5 A thin rectangular plate a=40 mm by b=24 mm (Fig.2.8) is acted upon by a stress distribution resulting in the uniform strains x =300 , y =500 ,, xy =200 . Determine the change in length of diagonals QB and AC. 6. A 12-mm diameter specimen is subjected to compressive loading. The change in length resulting from a load of 9kN is 0.025mm for an original length of 75mm. What are the non zero strains and stress components? Calculate the modulus of elasticity. Assume that the Poissons ratio is 0.3....
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