Problem with curtains whose R coefficient does not continue

I

insyükmühkadir

New Member
Dear masters... There is a problem in the R coefficient of my 3-storey building project, which continues over the shop. I was told by the municipality that I should not add them to the alpha s account because of the curtains that did not continue in the shop. However, even if I introduce the curtains as panels, I have alpha s problems caused by the columns of those floors. The solution I have in mind is to leave dilatation for the right and left sides, but then there will be different problems in the future. Waiting for your suggestions and criticism. thanks... Note: rigid basement -1 shop floors ground and 1st floor and of course mixed system
 
I looked at the project in the email you sent. It is a correct approach to consider the basement as rigid, but my mistake is that you did not mark the curtains in the basement as curtains that do not continue on all floors. Indeed it should be this way. When you do this, the alfaS account changes. The gaps you opened in the flooring on the ground floor ceiling are wrong. Do not open such large gaps with the floor space command. You should use the tile edge command. Model curtains as panel objects, not columns. Model as shells. You should also open the gaps where the stairs are located with the slab edge. Solve the semi-rigid diaphragm. Solve the foundations with the superstructure interactively. I suggest you apply the mobile load reduction factor. I wish you good work.
 
I fixed the problem guys. I canceled the shop curtains (continuing curtains). Again, I reduced the size of the non-continuing columns and changed their direction. I also raised the curtains a little. I took my ALFA s ratio above 0.40. Thank you friends for your interest.
 
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