/The composite section For the beam shown is subjected to sagging bending moment of 100KN.m, Determine the maximum tension and compressive stress in each material where EJE 20. 10mm timber 220mm steel 20mm 130mm 10mm ** 10mm
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- The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular cross section of 0.2011in.2 in area and a gage length (the length over which the elongation is measured) of 2.000 inches. The specimen was not loaded to failure. a. Generate a table of stress and strain values. b. Plot these values and draw a best-fit line to obtain a stress-strain curve. c. Determine the modulus of elasticity from the slope of the linear portion of the curve. d. Estimate the value of the proportional limit. e. Use the 0.2 offset method to determine the yield stress.40-mm sides glass polymer fibers composite cube shown in Figure.2. The Glass polymer fibers aligned in the xdirection. The cube is constrained against deformations in the ? and ? directions and is subjected to a tensile loadof 60 ?? in the x direction. Estimate the strain, change in length and stresses in ?, ?, and ? directions as well asdetermine the volumetric strain. Illustrate the effect of three-dimensional strain by constructing appropriatesketches (before and after deformation for both cube and fibers, assume the fibers have radius of ?). Repeat theanalysis for lower value of tensile load and higher value in the range of [20 -100 KN] and comment on the overallresults. What will happen if the force is compression.PROBLEM 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 Q2 5) What is the deformation 8, in mm? A=800 mm? A=1,200 mm?
- A test conducted on a steel bar whose cross section is 0.5 in. by 4 in. is performed. Anaxial load of P = 30,500 lb. produced a deformation of 0.00103 in. over a gauge lengthof 2 in. and a decrease of 0.000078 in. in the 0.5-in. thickness of the bar. Determinea. Poisson’s ratio,b. the elastic modulusc. the decrease in the 4-in. cross-sectional dimension.PROBLEM 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 mm²1. Shown is a composite plate joined together by rivets. The components consist of two tension bar plates that is % X 4 inch and riveted together by two splice plates which is 0.8 X 6 inch. Each rivet has a diameter of 25.4 mm. Considering that the allowable stress for the tension bar plates and splice plates is o=20.0 ksi, the allowable shear stress for the rivets is o=25.0 ksi and the allowable bearing stress on the rivets and splice plates is o=25.0 ksi. What will be the maximum permissible load P such that none of the allowable stresses will be exceeded? Splice Plates a-0.75 in Bar Lc =0.80 in. Bar P d = 1.0 in. b=4.0 in. Rivets 'e = 6.0 in.
- PROBLEM 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 6) What is the deformation &c in mm? 0.8m 0.4m B 5KN 0.6m 20KN A=800 mm? A=1,200 mm²A composite bar is rigidly attached to the wall at A as shown in the figure. Axial loads are applied at the positions indicated. 3 m 2.5 m C 1200 kN 900 kN 80mmØ 100mmØ E = 83 GPa Bronze E = 200 GPa Steel Which of the following most nearly gives the deformation of C? a. -0.7855 mm О Ъ. +0.8575 mm c. +0.7855 mm o d. - о.8575 mm1. Find the properties of equal-leg angle bar 150 x 50 x 6.0 in metric. 2. Find the full section properties of LC shapes steel bar 100 x 50 x 15 x 3.0 in metric. 3. A stress that lies between the proportional limit and the upper yield point of a steel. What is 5 and 5 Show the relationship uring a graph of mild structural stool
- The shown plate is 60 mm thick and it is made of Magnesium Am1004-T61. The plate is fitted between the rigid frictionless supports as shown and at T, = 20°C it is stress free. Find the stresses in the x and y directions when the temperature increases to T, = 58°C. %3D 150 mm 150 mm Select one: O x: 0 MPa, y: 42.864 MPa Ox: 22.1 MPa, y: 44.2 MPa Ox: 0 MPa, y: 44.2 MPa Ox: 0 MPa, y: 17.8 MPa O x: 13.2 MPa, y: 44.2 MPa Ox: 0 MPa, y: 67.4 MPa 3:10 PM O G 4) ENG 1/31/2021! Required information A steel bar (Es= 210 GPa) and an aluminum bar (Ea = 70 GPa) are bonded together to form the composite bar shown. 8 mm 8 mm 8 mm Aluminum 24 mm -Steel Determine the maximum stress in steel when the bar is bent about a horizontal axis, with M= 56 N.m. The maximum stress in steel is - MPa.A 26-foot-long structural steel bar is being tensed along its centroidal axis. Point B is being tensed by 180 kips of force and point C is being tensed by 121 kips of force. The bar has a rectangular cross-section with a height of 3.6 inches and width of 2.8 inches. The steel is HSLC steel with a yield stress, oy = 50 ksi and modulus of elasticity, E = 30,000 ksi. Show all work and any assumptions clearly. Record your answers on the answer key. Complete the following: ): Calculate the axial stress in sections AB and BC of the beam. Does the calculated stress in either section exceed the yield stress of the steel? Calculate the deformation in sections AB and BC of the beam. What is the total axial deformation that the beam experiences? What is the final length of the beam? Calculate the factor of safety that this structural bar was designed for. w = 2.8 in. A B 180 k C 121 k Answer Key σ > Gy Yes or No * 18 ft 8 ft Axial Section Stress (ksi) AB BC Total Deformation, 8 (in) Final Length…