For the composite bar indicated, determine the permissible bending moment when the bar is bent about a vertical axis. Aluminum stress is 100 MPa, Brass stress is 160 MPa, Eb = 105 GPa, Ea = 70 GPa
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- In the connection shown, 1/4-in. side and end fillet welds are used to connect the 3-in.-by-1 in. tension member to the plate. The applied load is 60,000 lb. Find the required dimension L. The steel is ASTM A36 and the electrode used is an E70. - Fillet welds L 3" Activate Windows Go to Settings to activate Wir TABLE 19.2 Allowable stresses in ksi (MPa) 12: 12/1 DELL end F12 insert prt sc F10 home F11 F6 F8 F9 F3A bar having the cross section shown has been formed by securely bonding brass and ahumimum stock. Using the data given below, determine the largest permissible bending moment when the composite bar is bent about a horizontal axis. Aluminum Brass SO GPa Moduhus of elasticity Allowable stress 100 GPa 100 MPa 160 MPa M = kN-m 20 mm 20 mm Aluminum 20 mm Brass 46 mm 20 mm 46 mmA bar having the cross section shown has been formed by securely bonding brass and aluminum stock. Taking h= 9 mm and using the data given below, determine the largest permissible bending moment when the composite bar is bent about a horizontal axis. Brass Aluminum 30 mm Modulus of elasticity Allowable stress h 30 mm h Aluminum 70 GPa 100 MPa The largest permissible bending moment is Brass 105 GPa 160 MPa 1.17 kN-m.
- 06. 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 CamScanner4. For the composite block shown, determine (a) the value of h if the portion of the load carried by the aluminum plates is half the portion of the load carried by the brass core, (b) the total load if the stress in the brass is 80 Mpa. P Rigid end plate Aluminum Plates (E=70 GPa) Brass Core (E=105 GPa) 40 mm I h 60 mm 300 mm8. 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. Steel A = 900 mmA = 2000 mm A = 1200 mm2 E - 200 GPa Aluminum Bronze E - 70 GPa E- 83 GPa 500 mm 250 mm' 350 mm
- Determine if w10x12 (A242) section is Compact, Non-Compact or slender. Show neat handwriting and complete solution.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 LsQ 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 Help
- 06. 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 A = 2.0 in.2 Aluminum A = 1.25 in.2 E = 10 x 10° psi E = 29 x 10° psi SUMMARY OF ANSWERS P kips -15 in- -12 in.-1. Three metal strips, each 40 mm height, are bonded together to form the composite beam shown. The modulus of elasticity is 210 GPa for the steel, 105 GPa for the brass, and 70 GPa for the aluminium. If the allowable bending stress for the aluminum (Gallow)al= 100 MPa, for the steel (Gallow)st 150 MPa and (Gallow)br=200 MPa for brass determine the maximum allowable intensit of w of the uniform distributed load. 2w 2m Aluminum Brass Steel 40 mm- 10 mm 10 mm 20 mmThe 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·