Slab deflection and raft foundation reinforcement deficiency

[omerkandemiir]

Hello, In the school project I have given below, I cannot fix the lack of reinforcement on the raft and the errors in the basement floor. I increased the diameter of the reinforcement by using additional reinforcement, increased the thickness of the foundation, changed the concrete class, tried the methods in the forum, but could not reach a positive result. I would be very happy if you could take a look and help.

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[Levent Özpak]

Hello, Please review the following points in the project you added; -P032 raft edge not defined under basement bulkhead. The boundaries of the RD02 and RD03 raft are formed incorrectly. The raft boundaries must be drawn correctly and the rafts must be redefined. -It is appropriate to model dilatation projects in separate project files. - It would be appropriate to accept the basement floor as rigid. (TBDY 2018 article 3.3.1.1) - Since the basement floor will be considered rigid, we recommend analysis according to the "two-load analysis method". -There is S43 polygon column in the basement under the P094 curtain on the ground floor, S44 column under the P086 curtain and S69 column under the P099 curtain. Erase these columns and define the curtains upstairs the same size downstairs. -No need for S32 polygon column in the basement. Copy the rectangular column from the upper floor to the lower floor and connect the basement perimeter curtain to the column. -UTL etc. It would be appropriate to model the carrier system curtains in the section as group curtains. (P079-P092 L-type curtains and P021-P068-P096 U-type curtains should be modeled as group curtains within themselves)

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Different concrete classes are used in the raft superstructure. (Ignore the warning if you are aware of it) For a precise calculation, we recommend that the finite element widths of the floor, curtain and raft properties be reduced and analyzed.