gative f'c = 21.73 MPa. Use NSCP 2010. 150 mm 150 mm 200 mm 200 mm
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- A rod is composed of an aluminum section rigidly attached between steel and bronze sections, as shown in the figure. Axial loads are applied at the positions indicated. If P 4000 Ib and the cross-sectional area of the rod is 1.0 sq.in. What is %3D the stress in the bronze? (in ksi) Note: indicate sign (no sign means positive/tenslon) 4P Steel Bronze Aluminum 2 ft 3 ft 2.5 ftProve each of the following equations separately 30 0x - 270 ([1-sin() sin(³9)] y Exy| Oxx 30 cos 1+ sin sin 270 30 K cos() sin() cos(32) K₁ x 2.70 Stresses near the tip of a crack in an elastic material. Crack FIGURE COS3) An bronze rod is rigidly attached between a aluminum rod and a steel rod as shown. Axial loads are applied at the positions indicated. Find the maximum allowable value of P that will not exceed a stress in steel of 140MPA, in aluminum of 90MPA or in bronze of 100MPа. Aluminum A = 500mm? Bronze A = 200mm? Steel A = 150mm2 2P ЗР L st = 1.2m L br = 2m Lal = 3.5m
- Find the lightest S-shape for the beam shown if the working stress in bending is 175 MPa. What is the maximum bending stress in the beam selected? 50 kN/m 4 m -2.4 m· -x X- TABLE B-3 Properties of I-Beam Sections (S-Shapes): SI Units Flange Axis Y-Y Web X-X spxy Mass Area Width ıdə (wu) Thickness thickness Pl1 = S (10³ mm³) yli^ = 4 (10° mm*) (u) 27.7 27.7 22.1 Designation (10° mm*) (ww) 20.3 (ww) 38.9 („ww) (ww) (ww) 081 158 006 77 622 622 204 1 320 1 220 081 x 019S 4 230 240 34.5 338 × 158 x 149 x 134 007 184 15.7 3930 3 260 247 O'ZE 19.7 320 001 07 6'6E 32.3 006 81 00 I 15 200 149 6'81 15.9 166 937 677 234 019 215 134 181 22.1 090 € 2870 019 18.6 205 33.0 611 22.1 12.7 874 241 17.5 197 61I x 34.0 019 S510 × 143 143 18 200 16300 14 200 12 500 91S 91S 183 23.4 23.4 20.2 20.3 16.8 S69 653 2 700 20.8 228 x 128 x 112 × 98.2 128 112 33.8 34.5 29.5 179 961 2 540 007 194 19.4 80s 508 216 152 162 16.1 533 001 7 1950 12.3 98.2 20.2 12.8 495 6SI 11.4 144 30.2 661 S460 × 104 104 13 200 457 6SI…A circular tube of aluminum is subjected totorsion by torques T applied at the ends (see figure).The bar is 24 in. long, and the inside and outsidediameters are 1.25 in. and 1.75 in., respectively. It isdetermined by measurement that the angle of twistis 48 when the torque is 6200 lb-in.(a) Calculate the maximum shear stress t max in thetube, the shear modulus of elasticity G, and themaximum shear strain Υmax (in radians).(b) If the maximum shear strain in the tube islimited to 2.5 x10 -3 and the inside diameteris increased to 1.375 in., what is the maximumpermissible torque?4) 4 points Calculate the minimum net area for the plate shown below connected to 14 mm thick gusset plate with 22 mm bolts. Plate 12 mm thick 35mm 20mm 20mm 150 mm 20mm 20mm 35mm „Gusset 14 mm thick 35mm 30mm 30mm 40mm a. 936 mm? b. 918 mm? c. 900 mm? d. 887 mm?
- A typlcal aluminum-alloy scuba diving tank is shown. The outside diameter of the tank is 200 mm and the wall thickness is 12 mm. If the air In the tank is pressurized to 16MP3, determine the maximum shear stress in the plane of the cylinder wall. O 29.3 MPa O 33.7 MPa O 27.4 MPa O 40.7 MPa O 21.0 MPaPROBLEM 1) An aluminum bar carries the axial loads at the positions shown. If E=70GPA, compute the total deformation of the bar. Assume that the bar is suitably braced to prevent buckling. 0.4m D 10KN 0.8m 0.4m B 5KN 0.6m AL 20KN What is the deformation &pE in mm? A=800 mm² A=1,200 mm²2. A rod is composed of an aluminum section rigidly attached between steel and bronze sections as shown in the figure. Axial loads are applied at the positions indicated. The cross-sectional area of the rod is 300sq.mm. Express your answer in MPa. Determine the stress in the steel. b. a. Determine the stress in the aluminum. Determine the stress in the bronze. C. STEEL ALUMINUM BRONZE 56kN 14kN -0.6m- -0.9m- -0.76m-
- What is the cracking moment of the beam having a cross section shown in Figure 1if f ‘c = 28 MPa?.Strictly don't post copied solution without explanation.An aluminum-alloy block (E = 70 GPa) is loaded as shown in the diagram below. The application of this load produces a tensile strain of 500 x 10-6 at A as measured by means of a strain gage. Compute the magnitude of the applied force P and locate the neutral axis. 10 cm 15 cm 30 cm 2.5 cm Gage A