Relative story drift high.increase system rigidity

[emacelik]

In the Hello Çelik project, the floor offset is high and the PMM ratio is not provided. I increase the cross section of the material, I change the coefficient of behavior of the carrier system, the result is the same. Can you check the project?

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[nurgulkaya]

Re: floor drift high. increase system rigidity Hello; 1- While creating the model, enter the floor where the composite floor is in the floor general settings and enter the data of that floor on that floor plan and perspective screen. * For secondary beam definition, select the first and last beam in the relevant section. The program will automatically create the section from the main beam together with the junctions of the sub-beams properly. * You entered composite flooring, I accept that you entered it knowingly. If you are not going to use a slip nail, enter a concrete slab. You didn't choose the steel material in composite flooring, you should have. * You should model the purlins with an offset so that they do not overlap with the foundation and main beams. * You used a single piece of lovers throughout the structure, divide at intersections. * In the central braced load-bearing system, the beams connected to the column from their weak axis, that is, the beams on the axles with the braces, are slip bonds, transferring moments in your model, so you can increase the cross section as much as you want, it will not work. * You can use around 400 rope for the roof on the beams, there is no need for Heb, these ratios will be corrected if you model correctly. * There is a serious load on your floor and if these loads are correct, you can use the underfloor beams of this floor HEA. * For economy in horizontal diagonals, it may be more appropriate to use 3 instead of 2 for an opening, give it a try. **** Relative story drift will be corrected when you make the corrections mentioned above. Only in the analysis settings, if you will not use brick walls on steel beams, use the 4.9.1.3b option from the TBDY options tab. For the above-mentioned cases, the cases other than the floor general settings have been adjusted in your model, you can examine it. This model is for reference only, apply the above-mentioned items by remodeling the project. At the same time, register for steel trainings at the link

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. It will enable you to model faster and in accordance with the program logic, the training is free.