G PDF vdoc.pub_statics-and-strength-of X + Google M Gmail File C:/Users/baude/Downloads/Important%20Files/EGR%20254/vdoc.pub_statics-and-strength-of-materials.pdf Type here to search Electronics, Cars, Fa... Pandora One - Liste... number of cycles (service life) that the metal will be sub- jected to is reached. For example, in Fig. 11.21, if an alu- minum member has a service life of 107 cycles, the 266 CHAPTER ELEVEN 11.48 Solve Prob. 11.47 for w = 100 mm,t = 20 mm, r = 18 mm, L₁= 0.5 m, L₂ = 2.5 m, P = 110 kN, and E = 200 Gpa. P. 11.49 A hole is drilled through a flat bar as shown. Dimen- sions for the bar are w= 50 mm, t = 12.5 mm, and P = 25 kN. Determine the maximum stress in the bar if the diameter D of the hole is equal to (a) 3.5 mm, (b) 7.0 mm, and (c) 10.5 mm. My TurboTax® - G... D À PROB. 11.49 and PROB. 11.50 11.50 Solve Prob. 11.49 if the dimensions of the bar are w = 2 in., t = 0.5 in., P = 5.5 kip, and the diameter D of the hole is equal to (a) 1/8 in., (b) 1/4 in., and (c) 3/8 in. 11.51 Circular notches are cut in a flat bar as shown. If w = 1 in., t = 0.5 in., r = 1/8 in., and the allowable stress is 20 ksi, determine (a) the allowable load, (b) the allowable load for a similar bar without the notches, and (c) the percent reduction in the allowable load caused by the notches. 11.52 Solve Prob. 11.51 if the dimensions of the bar are w = 25 mm, t = 12.5 mm, r = 3.5 mm, and the allowable stress is 140 MPa. H I+I+ PROB. 11.51 and PROB. 11.52 EasyBib: Free Biblio... GE News h PROB. 11.47 and PROB. 11.48 11.53 A standard steel test specimen is under load, and the total elongation of the gauge length g is 0.002 in. If w = 3/4 in., t = 3/8 in., r = 1/8 in., and g = 2 in., determine (a) the axial load Pon the bar, (b) the o corre- sponding stress in the middle of the specimen, and (c) the maximum stress at the fillets. (E = 30 x 10° psi) e 11.54 Solve Prob. 11.53 if the elongation of the gauge length g is 0.05 mm when w= 20 mm, t= 10 mm, r = 4 mm, and g 50 mm.(E = 200 GPa) P . A A ● (Gauge length) PROB. 11.53 and PROB. 11.54 11.55 The bar shown is made from a material with an allow- able stress of 12 ksi. If w = 4 in. and r = 3/4 in., de- termine the minimum allowable thickness t of the bar that can support 15 kip. 11.56 The bar shown has a thickness of 15 mm. If w = 60 mm, r = 15 mm, and the allowable stress is 140 MPa, determine the maximum allowable axial force that can be applied to the bar. O +0 PROB. 11.55 and PROB. 11.56 A W ? Homebanking 35°F {" milConnect - TAP T 38 5:21 PM 2/21/2024 X + 2

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