REFERENCES 1. Aluminum Association, Aluminum Design Manual, Aluminum Association, Washington, DC, 2015. 2. American Institute of Steel Construction, Steel Construction Manual, 14th ed., American Institute of Steel Construction, Chicago, IL, 2011. 3. Mott, R. L., Machine Elements in Mechanical Design, 5th ed., Pearson/Prentice Hall, Upper Saddle River, NJ, 2014. PROBLEMS 11-1. Determine the critical load for a pinned-end col- umn made of a circular bar of SAE 1020 hot-rolled a steel. The diameter of the bar is 20 mm, and its length is 800 mm. Repeat Problem 11-1 with the length of 350 mm. 11-2.
11-2 O 90kN O 83.3kN 三三三三三三三三三三 O 91kN O 95kN
REFERENCES 1. Aluminum Association, Aluminum Design Manual, Aluminum Association, Washington, DC, 2015. 2. American Inst
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REFERENCES 1. Aluminum Association, Aluminum Design Manual, Aluminum Association, Washington, DC, 2015. 2. American Inst
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