please some advice or guidance how to check the upper chord and lower chord in RSA regarding to the buckling lenth.
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1. superbar with 2 elements (4 of them) ; in one direction buckling coeff 1, in second 0.5
2. superbar with 8 bars, then define Internal bracings accordingly and proper coeffs
is this assumption correct? If not, please some advice
The beam top flange in compression is fully restrained because the concrete slabs are fully grouted and covered with a structural screed.