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Civil Engineering Reviewers

Design and Construction

A column is built up from 4-300 mm x 16 mm plates, welded to form a box section having a width of 300 mm along the x-axis and a depth of 332 along the y-axis.
Unbraced column length with respect to x-axis is 12 m.
With respect to the y-axis, the column is braced at third points so that the unbraced length is 4m.
Assume pinned-ends for both axis. Sidesway is prevented.
Steel yield stress: Fy = 248 MPa
Modulus of elasticity = 200 GPa
Compute the effective slenderness ratio with respect to the x-axis.



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