Check slenderness on y axis

Effective length, l0, about 2 axis l0y = 0.5l [1 + k1 / (0.45 + k1) ]0.5 [1 + k1 / (0.45 + k2) ]05

where ly = clear height between restraints

Treating beams as rectangular Lam1 / lbeam1 = 350 x 7503 / [12 x (9000 - 350)] = 14.2 x 105

= 16.1 x 105 = 3.68 / (2 x (16.1 + 14.2) = 0.060 > 0.1 = 0.1

= 0.5 x 3400 [1 + 0.1 / (0.45 + 0.1) ]05 [1 + <» / (0.45 + <») ]05 = 0.5 x 3400 x 1.087 x 1.41 = 0.77 x 3400 = 2620 mm

Slenderness ratio, Ay

Limiting slenderness ratio, Alir Aimy = Aim,

As Ay < Alimy column not slender in y axis.

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