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Ground Loss
Coefficient of calculation of inflection point
When the classical methods are used the inputted coefficient kinf allows the determination of the inflection point location based on Linf=L/kinf. In this case the coefficient kinf represents a very important input parameter strongly influencing the shape and slope of subsidence trough. Its value depends on the average soil or rock, respectively, in overburden – literature offers the values of kinf in the range 2,1 - 4,0.
Based on a series of FEM calculations the following values are recommended:
| - | gravel soil G1-G3 | kinf =3,5 |
| - | sand and gravel soil S1-S5,G4,G5, rocks R5-R6 | kinf =3,0 |
| - | fine-grained soil F1-F4 | kinf =2,5 |
| - | fine-grained soil F5-F8 | kinf =2,1 |
The coefficient for calculation of inflection point is inputted in the frame "Project".
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Company Fine develops structural engineering software with main focus on geotechnical software and structural engineering analyses.
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Společnost Fine se zabývá vývojem stavebního software, zejména programů na statické výpočty, zakládání staveb a geotechniku.
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Компания Fine занимается разработкой строительного программного обеспечения, особенно программ для расчета статики и геотехнических программ.
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