Abstract
The article is devoted to the problem of buckling of helical piles and deformation of the superstructure of oil and gas pipelines under the action of forces of frost heaving of soils. Analyzed the characteristics of the nonuniform buckling of the piles. Revealed and substantiated the necessity of development of methods for the assessment of uniformity of buckling of piles on the distribution of frozen soils. On the basis of this study offers the calculation formula, taking into account the helical blade of the piles, the results of the calculations, built the graphical dependence, formulates relevant conclusions.
Highlights
The article is devoted to the problem of buckling of helical piles and deformation of the superstructure of oil and gas pipelines under the action of forces of frost heaving of soils
On the basis of this study offers the calculation formula, taking into account the helical blade of the piles, the results of the calculations, built the graphical dependence, formulates relevant conclusions
Revealed and substantiated the necessity of development of methods for the assessment of uniformity of buckling of piles on the distribution of frozen soils
Summary
ОСОБЕННОСТИ РАСЧЕТА НЕРАВНОМЕРНОСТИ ВЫПУЧИВАНИЯ ВИНТОВЫХ СВАЙ НЕФТЕГАЗОПРОВОДОВ НА МЕРЗЛЫХ ГРУНТАХ Статья посвящена исследованию проблемы потери устойчивости винтовых свай и деформации надземных нефтегазопроводов под действием сил морозного пучения грунтов. Выявлена и обоснована необходимость разработки методики для оценки неравномерности выпучивания свай на территориях распространения мерзлых грунтов. Или криогенных, грунтов [1] характерно такое явление, как морозное выпучивание свайных опор нефтегазопроводов, которое происходит за счет перехода накопившейся при оттаивании в грунте влаги в лёд.
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