A hollow cylindrical cast iron column 200 mm external diameter and 25 mm thick is 6 metres in length. If both ends of the column are hinged and E = 8 x 104 N/mm2.Find the Euler’s critical load, and the safe load taking FOS as 3.Also find Rankine’s critical load taking constant values as fc = 550 N/mm2 and α = 1/1600. Also find the length of the column for which the critical loads by Euler’s and Rankine’s formula be equal.
A hollow cylindrical cast iron column 200 mm external diameter and 25 mm thick is 6 metres in length. If both ends of the column are hinged and E = 8 x 104 N/mm2.Find the Euler’s critical load, and the safe load taking FOS as 3.Also find Rankine’s critical load taking constant values as fc = 550 N/mm2 and α = 1/1600. Also find the length of the column for which the critical loads by Euler’s and Rankine’s formula be equal.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A hollow cylindrical cast iron column 200 mm external diameter and 25 mm thick is 6 metres in length. If both ends of the column are hinged and E = 8 x 104 N/mm2.Find the Euler’s critical load, and the safe load taking FOS as 3.Also find Rankine’s critical load taking constant values as fc = 550 N/mm2 and α = 1/1600. Also find the length of the column for which the critical loads by Euler’s and Rankine’s formula be equal.
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