Ground safety negative

T

tasyapı

New Member
hello friends, can you help me for the ZG error in the project I uploaded? I reduced the beam floor loads as much as possible. I also made the apartment 100 cm, but I could not solve it. just increasing the ground safety stress by 50% is the solution and I don't get any errors. I'm waiting for your help.
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Hello. My suggestion is that you increase the ground safety increase coefficient by 20%, since the ground group is A. Unver ÖZCAN
 
Hello, According to DY2007, the soil safety stress can be increased by 50% in soil classes A, B and C in seismic combinations according to DY2007. In the G+Q combination, comparison should be made with the soil safety stress without increasing. In your project, you can increase the soil safety stress by 50%, as the soil stress does not recover from the earthquake combination as seen in the report. But when you do this, from "Shell Results" -> "Raft Foundation Results" -> "Soil Stress Control", you need to select the combination G+Q to compare the ground tension with the non-incremental soil safety stress. Since it is 15>13,797, the soil tension is also sufficient in the G+Q combination. Good work.
 
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