basic problem

tugrul

New Member
Good day guys, no matter how thick a raft I make in my attached project, it does not save. I could not understand why the problem was caused. Or what kind of foundation would be a more economical solution. Can you help please?
 
First of all, I recommend you to fix the problem in the columns. In your column, around 15, connection shear safety is not provided (B error). I think the column dimensions are very insufficient (30/70 30/80 style choices would be better).. Also, 5-6 beams are still problematic... 80 cm raft saves on foundation.. Here, it is not the section that does not save because 80 cm saves, but after the analysis, you have to manually change the flat reinforcement Q22/12 at the bottom.. My suggestion is basically to use beamed raft instead of 80 cm plate. Filling 60/80 continuous foundation beams and spaces with 30 cm slab raft.
 
"tugrul":1aj6a9er" said:
good day guys, no matter how thick a raft I make in my attached project, it doesn't save. I couldn't understand why the problem was caused. Or what kind of foundation would be a more economical solution. Can you help please?
Hello, In the example I added, the beamless raft foundation was created 60 cm high and 50 cm outside the boundary of the building. Reinforcements up to 20 diameters are selected for the raft flooring additional reinforcements from the Reinforcement Selection dialog. There is no problem in the foundation. Note: In the Analysis Settings / Foundation Floor Tab [b Checking ]Enlarge joint area[/b] can help reduce additional reinforcements.
 
Thank you for your attention. I solved my problems with columns and beams. The building is adjacent to both sides in the x direction and I can't climb over the 16 gauge iron. The foundation saves 80 cm, but that doesn't seem economical to me, it means too much concrete. Can you help me about this. What are your suggestions?
 
"tugrul":7gb0sxpt" said:
thank you for your attention. I have solved my problems with columns and beams. The building is adjacent to both sides in the x direction and I cannot climb over the 16-inch iron. The foundation saves 80 cm, but this does not seem economical to me, means too much concrete .can you help on this issue.what are your suggestions
Checking the enlarge joint area option in Analysis Settings/Basic Ground Tab, which I mentioned in my previous message, may help to reduce additional reinforcements. Also, in the superstructure interactive solution, without creating the foundation system, checking the upper structure The structure is also not considered fully completed. The results of the superstructure may change when the foundation is entered. Determination: K12 and K13 beams are connected to the nodal point of the P03 wall. However, the beams are not defined as column support.
 
Thank you very much, I have solved my basic problem with your advice. I cannot enlarge the panel you have shown. Do you have any suggestions for the beams in that area?
 
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