Question

A steel column of rectangular section (15 mm 10 mm) and length 1.5 m is simply supported at both ends. Assuming modulus of elasticity, e = 200 gpa for steel, the critical axial load (in kn) is

Answer 1

Explanation:

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Answer 2

Answer:

Calculation:

A steel column is simply supported at both ends means it is a case of both ends hinged:

Given: b = 15 mm, d = 10 mm, L = 1.5 m = 1500 mm, E = 200 GPa = 200 × 1000 MPa

(Pe) = ²EI min

----------

{Le(=L)}²

15× 10³

π² ×200 × 10³ ------------

12

------------------------------------

1500²

=1.097kN

Explanation:

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