Determine the value of stress if modulus of elasticity is 62 MPa and strain value is 0.0025
Q: PROBLEM: An axially loaded A50 steel column is subjected to LL=410 KN & DL=680 KN as shown.…
A: PD = 680KN PL = 410KN
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Q: PROBLEM: An axially loaded A50 steel column is subjected to LL-410 KN & DL=680 KN as shown.…
A: L = 6.1 M = 6100mm Fy = 370MPa
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- Problem: A steel rod with a cross-sectional area of 180 mm2² is stretched between two fixed points. The tensile load at 25°C is 3,600N. Assume thermal coefficient equal to 11.7 x 106 mm/ (mm°C) and E= 200 GPa. a. What is the temperature at which the stress will be zero? b. What is tthe temperature at which the compressive stress will be 48 MPa?PROBLEMS 203. During a stress-strain test, the unit deformation at a stress of 5000 psi Wap ODserved to be 0.000167 in./in. and at a stress of 20,000 psi it was 0.000667 in./in. If the proportional limit is 30,000 psi, what is the modulus of elasticity? What is the stress corresponding to a strain of 0.0002 in./in.? Would these re- sults be valid if the proportional limit were 18,000 psi? Explain. E = 30 X 106 psi; S 6000 psi %3D Ans. 204. A uniform bar of length L, cross-sectional area A, and weight W is sus- WL If pended vertically from one end. Show that its total elongation is & = 2AE wL? its weight per unit volume is w, show also that & 2E A steel rod having a cross-sectional area of sq in. and a length of 600 ft is suspended vertically. It supports a load of 5000 lb at the lower end. If steel 30 X 106 psi, find the total elongation in the rod. Ans. 8 = 2.64 in. 205 weighs 490 lb/cu ft and E Hint: Use the result of Prob. 204. steel wire 30 ft long, hanging vertically, supports a…Determine the strain if stress value is 33 MPa and modulus of elasticity is 80 MPa
- 7. A steel rod of diameter 10 mm carries an axial load of 10 kN. Consider the modulus of elasticity and Poisson's ratio of 20 GPa and 0.30 respectively. Calculate: a) the normal stress in the rod. b) the lateral strain in the rod. c) the change in diameter of the rod when the load is applied1. Given the data, plot the stress-strain diagram 2. Determine the proportional limit 3. Determine the modulus of elasticity2.Discuss elastic region in a tensile test and shear test. It is always linear. What is engineering stress, strain ? Give Hooke's law, for tensile and shear deformation with corresponding modulus.
- Shown is a composite plate joined together by rivets. The components consist of two tension bar plates that is ¾ 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 σ=20.0 ksi, the allowable shear stress for the rivets is σ=25.0 ksi and the allowable bearing stress on the rivets and splice plates is σ=25.0 ksi. What will be the maximum permissible load P such that none of the allowable stresses will be exceeded?Problem 2: Determine the tensile force in a round steel bar of 1 inch diameter if the strain is 0.0007 and E is 30x10^6 psi. ProbleA steel rod with a cross-sectional area of 188 mm2 is stretched between two fixed points. The tensile load at 23°C is 6,332 N. What will be the stress at -15°C ? Assume a = 11.7 x 10-6 m/(m.°C) and E = 198 GPa. Answer must be in MPa.