1 in. D A = 6 ksi 1 in. B C σx = 12 ksi PROBLEM 2.69 A 1-in. square was scribed on the side of a large steel pressure vessel. After pressurization the biaxial stress condition at the square is as shown. Knowing that E 29 × 106 psi and v = 0.30, determine the change in length of (a) side AB, (b) side BC, (c) diagonal AC. = 8 in. C B 3 in. - t = ½ in. PROBLEM 3.8 The solid spindle AB has a diameter ds = 1.5 in. and is made of a steel with an allowable shearing stress of 12 ksi, while sleeve CD is made of a brass with an allowable shearing stress of 7 ksi. Determine the largest torque T that can be applied at A. 4 in. D ds T

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The column is constructed from high-strength concrete and A-36 steel reinforcing rods.  If it is subjected to an axial force of 30 kips, determine the average normal stress in each rod (ksi).  Each rod has a diameter of 0.58 inch.  Esteel = 29 x 103 psi and Econcrete = 4.2 x 103 psi, r = 4 inches

The column is constructed from high-strength concrete and A-36 steel reinforcing rods.  If it is subjected to an axial force of 30 kips, determine the average normal stress in each rod (ksi).  Each rod has a diameter of 0.58 inch.  Esteel = 29 x 103 psi and Econcrete = 4.2 x 103 psi, r = 4 inches

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