Distortional buckling of a CFS channel section with and ... - Springer

M.-J. Wu et al. / Journal of Mechanical Science and Technology 33 (6) (2019) 2623~2632 2625 (I I Ay z l+ )/ is the polar radius of gyrating the flange–lip system, A l is the cross-section area of flange–lip. y s and z s are the y- and z-coordinates of the shear center of the flange–lip system in the y–z coordinate system whose y-axis ................
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