The lower ends of the 3 bars in the figure are at the same level before the rigid homogenous 18Mg block is attached. Each steel bar has an area of 566mm^2 and E=200Gpa. For the bronze barn the area is 866mm^2 and E=83Gpa. Find the stresses developed in each bar.
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- 3. Discuss the ff property of steel: -Uniformity -Elasticity -Permanence -Ductility -Toughness -Corrosion -Fatique Principles of Steel Design (Civil Engineering)A 750-MM SHAFT IS COMPOSED OF STEEL AND ALUMINUM PARTS. DETERMINE THE CENTROIDAL Y (IN MM) OF THE SHAFT IF THE DENSITY OF STEEL p, = 7800 KG/M AND THE DENSITY OF ALUMINUM PA = 9.75 x 102 LB/IN. HINT: USE INTEGRATION IN OBTAINING THE FORMULA FOR THE VOLUME AND CENTROID OF A FRUSTUM OF A CONC.. STEEL ALUMINUM END I 20 mm 40 mm (RAD) END 2 60 mm 130 mm (DIA)Problem 2 14600ksi, apr For the shown structure, AB is made by C83400-red-brass (Ebr 9.8 × 10-6/ °F) and BC is made by 2014-T6-aluminum (Eal 10600ksi, a al = 12.8 × 10-6/°F). AB and BC are joined at the collar B and fixed connected at their ends. The cross sectional area of each member is 1.75 in². If there is no load in the = member when T₁ 50 °F. Now the temperature for both members are increased to T₂ = 120 °F. Determine (1) Reaction forces at fixed end C (2) The average normal stress in the member AB (3) The average normal stress in the member BC (4) Eventually, how far will the collar B be displaced? = = 3 ft 2 ft
- what is design strength. The material of the steel is SM275 and the size is 22mm. The sectional area is 1,650mm^2.Situation No. 2 A bronze bar is fastened between a steel bar and an aluminum bar as shown below. Axial loads are applied at the positions indicated. Find the largest value of P that will not exceed an overall deformation of 3.0 mm, or the following stresses: 140 MPa in the steel, 120 MPa in the bronze, and 80 MPa in the aluminum. Assume that the assembly is suitably braced to prevent buckling. Use Est = 200 GPa, Eal = 70 GPa, and Ebr = 83 GPa. Bronze Steel A = 480 mm? Aluminum A = 650 mm A = 320 mm 3P 4P 2P 1.0 m 2.0 m 1.5 m8. If the modular ratio is equal to 11, and the Modulus of Elasticity of the Steel is 200,000 MPa. What is the value of fc'?
- Using A992 steel, and the plastic theory, determine thevalue of Wn as indicated.A combined section of steel and copper is subjected to a compressive load. Refer to the table below for the properties of each Steel Copper Area, A 900 mm2 1,200 mm2 Modulus of elasticity, E 200 GPa 120 GPa ents Allowable compressive stress 140 MPa 70 MPa ces ents Which of the following most nearly gives the load, in percent, carried by the copper? ssors Select the correct response ication 44.44% Niki 55.56% Blogs 66.67% 33.33% CoursesSteel, Brass, and Copper rods are connected as shown in the figure. Initially, the temperature was 15 degrees Celsius and the stress on the bars is zero. Eventually, the temperature increased to 25 degrees Celsius. Determine the total deformation on the steel. Steel Brass Copper Est = 200 GPa Ebr = 100 GPa Ecu = 120 GPa %3D ast = 12(10-6)/°C abr = 21(10¬6)/°C acu = 17(10-)/°C %3D Acu = 515 mm² |Ast = 200 mm? Abr = 450 mm² %3D 300 mm- 200 mm 100 mm O -0.0058mm O 0.0165mm O -0.0165mm O 0.0058mm
- The assembly consists of two red brass C83400 copper rods AB and CD of diameter 30 mm, a stainless 304 steel alloy rod EF of diameter 40 mm, and a rigid cap G. The supports at A, C and F are rigid. Modul of elasticy for the copper is Ecopper = 101 GPa. Modul of elasticity for the steel is Esteel = 193 GPa. (Figure 1) Figure ▼ Part A σAB = Submit Part B Value Submit μÀ Request Answer Part C LO OCD = Value Determine the average normal stress developed in the rod AB. Express your answer to hree significant figures and include the appropriate units. μA Request Answer EF = Units Units A μà -300 mm- Value C 30 mm Determine the average normal stress developed in the rod CD. Express your answer to three significant figures and include the appropriate units. Submit Request Answer 30 mm ? B D G ? E 450 mm 40 kN 40 kN 40 mm Determine the average normal stress developed in the rod EF. Express your answer to three significant figures and include the appropriate units. Units F ? < 1 of 1The light rigid bar ABCD shown is pinned at C and connected to two vertical rods. The bar was initially horizontal, and the rods were stress-free before the load P = 20 KN is applied. %3D Steel E200 GPa A-600mm L1 m 2.0 m 0.6 m 1.5 m Pa20 KN Aluminum E-70 GPa A=900mm L-1.5 m What is the ratio of the deformation of steel to deformation of aluminum?Pencil leads are made up mostly of the following elements. a. graphiteb. leadc. clayd. none of the preceding