4-37 The composite bar consists of a 20-mm-diameter A- 36 steel segment AB and 50-mm-diameter red brass C83400 end segments DA and CB. Determine the average normal stress in each segment due to the applied load. 4-38 The composite bar consists of a 20-mm-diameter A- 36 steel segment AB and 50-mm-diameter red brass C83400 end segments DA and CB. Determine the displacement of A with respect to B due to the applied load. -250 mm- 50 mm DA - 500 mm 20 mm 75 KN A 75 kN 100 KN -250 mm- 100 KN B C
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- Question 8 1 p The rectangular doubly reinforcement stress concrete block with the arrangement of reinforcement of 2N28 bars on top and 3N28 bars on bottom. The modulus of elasticity are Ec=23,500MPa and Es = 200,000MPa. Dead load is 18KN/m and live load is 12KN/m. f'c = 25MPa 800 TE 730 N12 ligs (fsv.t-500MPa) Ast = 3N28 350 Span = 10m Figure 3 Calculate the concrete stresses in tension and compression of the reinforcement concrete beam shown in Figure 3. Compression concrete stress Choose ] Tension Concrete stress Choose]*4-36. The composite bar consists of a 20-mm-diameter A-36 steel segment AB and 50-mm-diameter red brass C83400 end segments DA and CB. Determine the average normal stress in each segment due to the applied load. Esteel l = 200 x10 Pa. EBrass = 101 K109h. |-250 mm-- 500 mm -250 mm- 50 mm 20 mm 75 kN 100 kN D A 75 kN 100 kN В C*4-36. The composite bar consists of a 20-mm-diameter A-36 steel segment AB and 50-mm-diameter red brass C83400 end segments DA and CB. Determine the average normal stress in each segment due to the applied load. 4-37. The composite bar consists of a 20-mm-diameter A-36 steel segment AB and 50-mm-diameter red brass C83400 end segments DA and CB. Determine the displacement of A with respect to B due to the applied load. -250 mm- 50 mm D A 500 mm 20 mm 75 kN 75 kN 100 KN 100 KN B 250 mm- C
- *4-36. The composite bar consists of a 20-mm-diameter A-36 steel segment AB and 50-mm-diameter red brass C83400 end segments DA and CB. Determine the average normal stress in each segment due to the applied load. 4-37. The composite bar consists of a 20-mm-diameter A-36 steel segment AB and 50-mm-diameter red brass C83400 end segments DA and CB. Determine the displacement of A with respect to B due to the applied load. -250 mm- 50 mm D A 500 mm 20 mm 75 kN 75 kN 100 kN, -250 mm- 100 KN B Probs. 4-36/37 CThe composite shaft, consisting of aluminum, copper, and steel sections, is subjected to the loading shown. Determine the displacement of end A with respect to end D. The cross-sectional area and modulus of elasticity for each section are shown in the figure. Neglect the size of the collars at B and C 16 kN 8 KN 9 KN 450 mm- 16 KN C 300 mm- Section AB is Aluminum with Young's modulus of 70 GPa and an area of 63 mm². Section BC is Copper with Young's modulus of 126 GPa and an area of 87 mm². Section CD is Steel with Young's modulus of 200 GPa and an area of 39 mm. The displacement of end A with respect to end Dis Note: Please enter your answer with three significant digits after the decimal point. .mm 8 KN 400 mm- 7 KNA RECTANGULAR ALUMINUM BLOCK IS 40mm LONG IN THE Y DIRECTION,20mm WIDE IN THE Z DIRECTION AND 25mm THICK IN THE XDIRECTION. IT IS SUBJECTED TO A TRIAXIAL LOADING CONSISTING OF AUNIFORMLY DISTRIBUTED FORCE OF Px=3kN (COMPRESSION), Py=4kN(TENSION) AND Pz=7kN (COMPRESSION) IN THE X, Y AND Z DIRECTIONSRESPECTIVELY. IF THE POISSON’S RATIO = 1/4 & E = 70 GPa,DETERMINE THE STRAINS IN THE X, Y AND Z DIRECTIONS. ALSODETRMINE A SINGLE DISTRIBUTED FORCE IN THE Y DIRECTION THEWOULD PRODUCE THE SAME X DEFORMATION AS THE ORIGINAL.
- Problem 1. The composite beam shown below carries a cantilevered load of 10 kN. The beam consists of one 30 x 124 mm plate and four 12 x 50 mm plates. They are pinned together at 120 mm intervals with round pins. The pin material has a shear strength of 159 MPa. Compute the minimum acceptable diameter for the pins. O O O O O O O -0 O 0- O 1000 mm Do O -120 mm (typ) O O O P = 10 KN 30 x 124 mm 12 x 50 mm (typ)Question 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)Brs coe (E- 105 GPa) PROBLEM 2.36 Alumim plates (E- 20 GPa) Rigd end plate An axial centric force of magnitude P = 450 kN is applied to the composite block shown by means of a right end plate. Knowing that h= 10 mm, detprmine the normal stress in (a) the brass core, (b) the aluminum plates. 300m
- 9:YA I docs.google.com/forms O :D * Required Question 1 Determine the maximum stresses in the stepped shaft composite of two materials steel and Aluminum that fixed at the two ends as shown in Figure. It is subjected to a torque of 300 N.m at the section C. The larger section is of Aluminum and the smaller one is of steel. Gs = 82 GPa and Gal = 27 GPa. * 150 D St AI 50 300 N.m 600 500 1 Add file Page 2 of 3 Вack Next Never submit passwords through Google Forms.The compound bar carries axial loads as shown. Determine the maximum allowable value of P if the change in length of the entire bar is limited to 0.08 inch and the working stresses listed in the table are not to be exceeded. Steel 2 ft Bronze 4 ft Aluminum 3 ft 2P 3P 4P A (in.?) E (psi) a. (psi) Steel 0.75 30 x 10 20000 12 x 10 10 x 10 Bronze 1.00 18000 Aluminum 0.50 12000* TRUTT 50 kN/m 8m TIZI SLAB THICKNESS 150mm 2500 mm fe'= 21 MPa fy = 414 тра Cc = 40mm spacer barp=25mm Say bw= 0.6h DESIGN THE T-BEAM AND SHOW THAT TENSION STEEL YIELDS AND THE BEAM IS TENSION CONTROLLED