Steel scissors slenderness problem

[Hüseyin Yalçın]

The limit value of the scissors's slenderness should be 300 in the lower and upper heading, but it turns out to be 200. Is there a problem in the combination of the scissors, could you please take a look? REGARDS HÜSEYİN YALÇIN version idecad 10.20

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[nurgulkaya]

Re: steel scissors slenderness problem. Hello; The limits of 200 and 300 are determined according to whether the heads are under tension or pressure in the cross-sectional effects. If you look at the sub-title axial force diagram in detail, it seems that both tension and pressure have occurred. That's why the limit is set to 200. The internal force diagrams will change again as you enter the horizontal cross and stability beams to create the diaphragm on the roof during modelling. Check again after you complete the modeling. Connect the horizontal crosses to the upper headers, and insert a stability beam to connect the lower headers to each other at the middle joint.