19 COLD FORMED STEEL SECTIONS – IExplore further
2018-4-12u2002·u2002COLD FORMED STEEL SECTIONS-I (1) 12(1 ) 2 2 2 ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ − = b K E t pcr ν π Substituting the values for π, ν = 0.3 and E = 205 kN/mm2, we obtain the value of pcr as with units of N mm2 (1a) 2 ⎟ ⎠ ⎜ ⎝ p ≈ 185×10 ×K b 3 t cr The value of K is dependent on support conditions. When all the edges are simply
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