what is the Rankine formula
Answers
Answer:
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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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
An empirical formula has been proposed by Rankine for columns of all lengths. The proposed formula is
Where P = crippling load
Pc = crushing load = fc × A
PE = crippling load by Euler’s formula
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fc = ultimate crushing stress