Calculation of Water Saturated Foundation Under the Oil-and Gas Fields Facilities

Maltseva, T. V.; Saltanova, Tatyana; Kraev, Alexey; Mironov, V. V.

doi:10.31660/0445-0108-2016-4-110-113

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“…14, № 4 (2023), 5-18 7 Изучению и анализу работы охлаждающих устройств сезонного действия (СОУ) посвящены труды [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19]. Работы [20,21] посвящены расчету деформированного состояния мерзлого и талого вязкоупругого основания. Изучению вопросов теплового взаимодействия промышленных и гражданских объектов с вечномерзлыми грунтами посвящены работы Я.Б.…”

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Calculation of the temperature condition of a thermostabilizable base with a single pile

Zhaysambaev,

Maltseva,

Kraev

2023

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The article deals with one of the main problems of construction in the area of permafrost soils - the presence of sites represented by thawed permafrost soils [1-3], formed due to natural conditions (waterlogged site, site relief features, swamping, etc.) and man-made impacts (warming effect of buildings and structures, systematic discharges and leaks from engineering networks, runoff and stagnation of surface rainwater, etc.). To ensure the bearing capacity of a single pile and the specified temperature regime of the foundation soils in the given engineering-geocryological conditions, it is possible to use the cooling devices of seasonal action. The main issue when using the cooling devices of seasonal action is to determine the main parameters affecting the bearing capacity of a single pile and the deformability of the foundation. To determine the parameters affecting the bearing capacity of a single pile and the deformability of the foundation, a set of numerical temperature calculations of thermostabilized soil mass represented by thawed permafrost soils with a single pile under different initial boundary conditions was performed in the certified Frost 3D software package. Temperature calculations were performed for the thawed soil mass, in which a single reinforced concrete pile with a single vertical vapor-liquid thermal stabilizer structure is submerged. The geometrical dimensions of the calculated area are 30 × 30 × 30 m. Based on the results of numerical experiments, the main physical, thermal and geometric parameters of the formed frozen core have been determined, which will be incorporated into the methodology for predicting the bearing capacity of a single pile in a thermally stabilized viscoelastic foundation represented by thawed permafrost soils. On the basis of the calculations performed, a design diagram of a single pile in a thermostabilized foundation was built and graphical dependences of changes in the diameter, height and geometric position of the frozen core depending on the initial boundary conditions were plotted.

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Section: Introductionunclassified

Calculation of the temperature condition of a thermostabilizable base with a single pile

Zhaysambaev,

Maltseva,

Kraev

2023

View full text Add to dashboard Cite

show abstract

Calculation of Water Saturated Foundation Under the Oil-and Gas Fields Facilities

Cited by 1 publication

References 2 publications

Calculation of the temperature condition of a thermostabilizable base with a single pile

Calculation of the temperature condition of a thermostabilizable base with a single pile

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