FLOOR FLOOR PUNCHING

[demet]

HELLO I am preparing a project for the first time and I have mistakes. I especially need help solving two errors 1) The program sees the slabs sitting on the curtains as consoles and gives an error of insufficient slab thickness. but this only happens in idecad 7 version, so when I open it in version 6, I don't have this problem. 2) Columns and curtains on the ground floor do not provide shear safety and the columns are stapled. Increasing the column sizes is not a solution. I increased the foundation thickness up to 250 cm, it still gives an error. How can I solve it? I need urgent help...

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[Emrah YILDIZ]

We can't download your file from the link you added. If you upload your file to a site that does not require membership, such as

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, it can be accessed more easily.

 

[demet]

I uploaded it to the site you said

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[Levent Özpak]

Hello, *It would be appropriate to edit the reinforcement type of the slab reinforcement axes as "top+bottom reinforcement" with the Reinforced Concrete Calculation Axis Edit command. * When you increase the raft foundation thickness to 250 cm, some of your reinforcement axles give a warning of insufficient reinforcement due to minimum conditions. Notes: The piles are defined to be below the columns only. You can place more piles evenly spaced under the entire raft foundation. I guess the ground floors were not arranged according to the ground survey. It is appropriate to analyze according to the semi-rigid diaphragm option in non-beam floor systems. Good work

 

[demet]

Thank you very much for your reply Mr. Levent, you have been very helpful. I have a few more questions. First of all, you wrote 'some of your reinforcement axles give a warning of insufficient reinforcement due to minimum conditions'. Could you explain what you mean? Ground floor columns and curtains do not provide shear safety, how can I solve this problem? I know that I need to analyze the system according to the semi-rigid diaphragm option, but when I select the semi-rigid diaphragm option in the analysis settings and perform the analysis, the program freezes and does not complete the analysis. Is there another setting I need to make to solve semi-rigid? Finally, only the bearing coefficients of 1500 and 3000 t/m3 are included in the soil study related to the soil layers. I edited the heights myself. If not, can you advise? I am attaching the link of the project that I have arranged in accordance with your recommendations.

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THANKS

 

[Levent Özpak]

Mr. Levent, thank you very much for your answer, you have been very helpful. I have a few more questions. First of all, you wrote 'some of your reinforcement axles give warning of insufficient reinforcement due to minimum conditions'. Could you explain a little what you mean.[/quote ] If the calculated reinforcement is less than necessary, the minimum allowance of reinforcement is placed on the slab, which is entered in the raft slab parameters.You can review the calculation and required reinforcements from the raft slab reinforced concrete dialog/Moment Reinforcement Fields tab. You can review the following links on the subject.

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I know that I need to analyze the system according to the semi-rigid diaphragm option, but in the analysis settings, I must select the semi-rigid diaphragm option. when i do analysis the program freezes and does not complete. Is there another setting I need to make to solve semi-rigid?

Analysis can be made according to the semi-rigid diaphragm option in the project you sent. If the analysis is not completed on Your computer, the ram may not be sufficient. (According to the semi-rigid diaphragm option, there should be at least 8 GB of RAM in the analysis. Recommended 16 GB)

Finally, only the bearing coefficients in the soil study related to the soil layers are 1500 to 3000. t/m3. I arranged the heights myself. If it is not suitable, can you advise.

It would be useful to talk to a Geotechnical or Geological engineer about the definition of soil layers. If there is anything unclear, you can contact us by phone.