Calculation of the tank pile foundation structure, considering karst hazards
https://doi.org/10.31660/0445-0108-2026-1-98-112
EDN: VSCBSB
Abstract
The article examines issues of design justification for engineering solutions related to mechanical safety requirements for a vertical steel tank planned for construction in an area with karst and suffosion hazards. The object of the study is the "base-foundation-tank" system, whose stress–strain state the authors analyzes under local formation of a karst sinkhole. The article performed finite element calculations using SCAD and LIRA-SOFT software for two potential locations of the karst collapse. The study methodology relies on numerical modelling of the stressstrain state of the object, considering the engineering and geological conditions at the construction site, as well as on comparative analysis of results obtained in independent calculation environments. The study found that the stress-strain parameters remain within allowable limits, confirming compliance with bearing capacity and deformation requirements. Differences in results from the alternative software packages vary by up to 3.27% for deformations and up to 13.6% for internal forces. However, these discrepancies do not significantly affect the actual structural behavior. The article proposes criteria for acceptable discrepancies and advocates for the use of at least two independent software packages when justifying designs for structures with a high level of responsibility.
About the Authors
P. V. Chepur
Industrial University of Tyumen
Russian Federation
Petr V. Chepur, Candidate of Engineering Sciences, Associate Professor, Head of the Department of Structural MechanicsTyumen
Russian Federation
Petr V. Chepur, Candidate of Engineering Sciences, Associate Professor, Head of the Department of Structural MechanicsTyumen
A. V. Dmitriev
Industrial University of Tyumen
Russian Federation
Andrei V. Dmitriev, Candidate of Engineering, Associate Professor at the Department of Structural MechanicsTyumen
Russian Federation
Andrei V. Dmitriev, Candidate of Engineering, Associate Professor at the Department of Structural MechanicsTyumen
A. A. Kolyadko
Branch of Industrial University of Tyumen in Surgut
Russian Federation
Alesya A. Kolyadko, Candidate of Engineering Sciences, Associate Professor at the Department of Oil and GasIndustrySurgut
Russian Federation
Alesya A. Kolyadko, Candidate of Engineering Sciences, Associate Professor at the Department of Oil and GasIndustrySurgut
A. A. Tarasenko
Industrial University of Tyumen
Russian Federation
Alexander A. Tarasenko, Doctor of Engineering Sciences, Professor at the Department of Transportation of Hydrocarbon ResourcesTyumen
Russian Federation
Alexander A. Tarasenko, Doctor of Engineering Sciences, Professor at the Department of Transportation of Hydrocarbon ResourcesTyumen
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Review
For citations:
Chepur P.V., Dmitriev A.V., Kolyadko A.A., Tarasenko A.A. Calculation of the tank pile foundation structure, considering karst hazards. Oil and Gas Studies. 2026;(1):98-112. (In Russ.) https://doi.org/10.31660/0445-0108-2026-1-98-112. EDN: VSCBSB
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