what is rankins fromula?
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The external and internal diameters of the hollow cast iron column are 5cm and 4cm respectively. If the length of this column is 3m and both of its ends are fixed, determine the crippling load using Rankine's formula. Take σc= 550N/mm2 and a=1/1600.
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The empirical formula given by Rankine is known as Rankine's formula, which is given as. For a given column material the crushing stress σc is a constant. Hence the crushing load Pc (which is equal to σc x A) will also be constant for a given cross-sectional area of the column.
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