The composite bar is stress-free before the axial loads P1 and P2 are applied. Assuming that the walls are rigid, calculate the stress in each material if P1 = 150 kN and P2 = 90 kN.
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- The composite bar is stress-free before the axial loads P, and P, are applied. Assuming that the walls are rigid, calculate the stress (MPa) in each material if P1 = 150 kN and P2 = 90 kN Aluminum A = 900 mm A = 2000 mm A = 1200 mm? E = 70 GPa | E= 200 GPa Steel Bronze E = 83 GPa P1 500 mm 250 mm' 350 mmfc = 25 mpa, fy = 414 the tensile stress is in the concrete is?The composite bar, firmly attached to unyielding supports, is initially stress free. What maximum axial load P can be applied if the allowable stresses are 100 MPa for aluminum and 140 MPa for steel? Bronze Steel A = 1800 mm² A = 1125 mm? E = 83 GPa %3D E = 200 GPa %3D P -450 mm- 360 mm·
- The composite bar shown is firmly attached to unyielding supports. An axial load P = 391 kN is applied at 26 ° C. Find the stress in the aluminum at 66 °C. Assume a = 11.7 µm/(m.° C) for steel and 23 um/(m.°C) for aluminum. Given: Ea = 76 GPa, Aa = 984 mm2, La = 261 mm, Es 193 GPa, As = 1,274 mm2, Ls = 382 mm. Answer must be in MPa. Aluminum Steel La LsQuestion 2A composite bar is made up of a steel strip 2 mm thick and 12 mm wide, sandwichedbetween two aluminium strips each 3 mm thick and 12 mm wide. The three strips areheld together by two rivets of 5 mm diameter each.2.1 Make a neat detailed sketch of the assembly.2.2 If the three strips are fastened together at 15 0C, determine the shear stress set up inthe rivets when the temperature is raised to 21 0C.Note: The resistance of a rivet in double shear may be taken as 1.75 times the resistancein single shear.(For steel: E = 200 GPa and α = 11×10 -6/ 0C)(For aluminium: E = 70 GPa and α = 22×10-6/0C)The composite bar shown is firmly attached to unyielding supports. An axial load P = 207 kN is applied at 26 ° C. Find the stress in each material at 63 °C. Assume a = 11.7 µm/(m-°C) for steel and 23 um/(m-C) for aluminum. Given: Ea = 75 GPa, Aa = 991 mm², La = 204 mm, Es = 213 GPa, As = 1,213 mm2, Ls = 318 mm. Answer must be in MPa. Aluminum Steel La Ls
- 8. The composite bar is stress-free before the axial loads P1 and P2 are applied. Assuming that the walls are rigid, calculate the stress in each material if P1 = 153 kN and P2 = 80 kN. Aluminum Steel A = 900 mmA = 2000 mmA = 1200 mm² E = 200 GPa Bronze E = 70 GPa E = 83 GPa P 500 mm 250 mm' 350 mmQ Search MT ACTIVITY 2M Close Activity File Home Insert Draw View Help Open in Desktop App O Tell me what you want to do v 11 ev Av A A Styles v E Tags v abc v Calibri ... SW The composite bar shown in Fig. P-273 is firmly attached to unyielding supports. An axial force P = 50 kips is applied at 60°F. Compute the stress in each material at 120°F. Assume a = 6.5 × 10- Teams Assignments 国 Calendar Calls 6 in/(in-°F) for steel and 12.8 x 10-6 in/(in-°F) for aluminum. Files Aluminum A = 2 in? E = 10 x 10° psi Steel A = 3 in? E = 29 x 10° psi ... 15 in 10 in 田 HelpA pretensioned member with a dimension of 250mm x 360mm is subject to an eccentric tendon that is located 105mm from the soffit. Area of the prestressing steel to be 502 sq. mm and the modulus of elasticity is 200 GPa. The Modulus of elasticity of concrete is 36.8 GPa. Creep coefficient = 1.6 and the shrinkage strain = 3 x10^6. Assume a 5% steel relaxation. Find the total prestressed loss in percentage.
- The composite bar shown is firmly attached to unyielding supports. An axial load P- 269 kN is applied at 28 °C. Find the stress in the aluminum at 68 C. Assume a= 11.7 um/(mC) for steel and 23 um/{mC) for aluminum. Given: Ea =70 GPa, Aa - 968 mm, La - 228 mm, Es = 211 GPa, As=1,265 mm, Ls= 374 mm, Answer must be in MPa. Aluminum Steel La Ls06. The composite bar, firmly attached to unyielding supports, is initially stress-free. What maximum axial load P can be applied if the allowable stresses are 10 ksi for aluminum and 18 ksi for steel? Steel Aluminum A = 1.25 in.? E = 10 x 106 psi A = 2.0 in.2 E = 29 x 106 psi SUMMARY OF ANSWERS P kips -15 in: -12 in.- CS Scanned with CamScannerA composite beam is made of two brass [E = 99 GPa] plates bonded to an aluminum [E = 72 GPa] bar, as shown. The beam is subjected to a bending moment of 2010 N-m acting about the z axis. Assume b-44 mm, d₁-37 mm, d₂-11 mm. Determine: (a) the maximum bending stresses Obr, al in the brass plates and the aluminum bar. (b) the stress in the brass brj at the joints where the two materials are bonded together. Brass (2) Aluminum (1) Brass (2) Answers: (a) Obr = (b) Obrj = i b d₂ d₁ MPa, oal = MPa. MPa.