The beam is designed to carry a fluctuating stress from a load of 1,200-lb. The beam is made of Cold-Drawn AISI 1040steel (wrought steel). Using the Goodman Method for Fatigue of Ductile materials, determine the design factor, N.10 in1200 lb10 in2-in dia

To determine the design factor N for the beam subjected to a fluctuating load using the Goodman…

Answered: The beam is designed to carry a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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25 A hot rolled steel shaft of circular cross-section is subjected to a load that varies from -F to +4F as shown in the below figure. The length of the beam is 142 mm and it has a diameter of 24 mm. Determine the maximum load that the given beam material can withstand for an indefinite life with a factor of safety 1.3. The fatigue stress concentration factor is 1.32. Assume the following values: Yield strength = 435 MN/mm2, endurance stress =280 MN/mm2, ultimate strength = 570 MN/mm2, size factor = 0.84, surface finish factor = %3D 0.89. Use Soderberg relation in your design. Also calculate the mean stress in N/mm2. -F d 4F
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A simply supported reinforced concrete beam carries a uniformly distributed load of 12 kN/m on a span of 4 m. The beam has a rectangular cross section 250 mm wide by 450 mm deep, with three 20 mm diameter steel bars placed 60 mm from the bottom of the beam, as shown below. The moduli of elasticity for the concrete and steel are 15 GPa and 200 GPa, respectively. Determine the average tensile stress in the steel and the maximum compressive stress in the concrete at the section of maximum bending moment. 450 mm 250 mm 60 mm
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The beam is designed to carry a fluctuating stress from a load of 1,200-lb. The beam is made of Cold-Drawn AISI 1040 steel (wrought steel). Using the Goodman Method for Fatigue of Ductile materials, determine the design factor, N. 10 in 1200 lb 10 in 2-in dia