Buckling analysis of piles in solid frozen soils
The object of the research is the behavior of axial compressed piles in the foundations on continuous permafrost soils under global warming. There is a degradation of permafrost soils at present. The permafrost layer is vertically divided into two parts: 1) the top, the active layer; 2) the bottom,...
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Peter the Great St. Petersburg Polytechnic University
2024
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ftdoajarticles:oai:doaj.org/article:85629cd3006f407e9bd0c52fb96ce55d 2024-09-15T18:29:52+00:00 Buckling analysis of piles in solid frozen soils Utkin Vladimir Kosheleva Zhanna Yarygina Olga 2024-02-01T00:00:00Z https://doi.org/10.34910/MCE.125.10 https://doaj.org/article/85629cd3006f407e9bd0c52fb96ce55d EN eng Peter the Great St. Petersburg Polytechnic University http://engstroy.spbstu.ru/article/2024.125.10/ https://doaj.org/toc/2712-8172 2712-8172 doi:10.34910/MCE.125.10 https://doaj.org/article/85629cd3006f407e9bd0c52fb96ce55d Magazine of Civil Engineering, Vol 17, Iss 01 (2024) soil bearing capacity solid frozen soil soil thawing axial compression longitudinal bending critical force critical pile length Engineering (General). Civil engineering (General) TA1-2040 article 2024 ftdoajarticles https://doi.org/10.34910/MCE.125.10 2024-08-05T17:49:12Z The object of the research is the behavior of axial compressed piles in the foundations on continuous permafrost soils under global warming. There is a degradation of permafrost soils at present. The permafrost layer is vertically divided into two parts: 1) the top, the active layer; 2) the bottom, the frozen mass. The active layer of soil thaws in summer and freezes in winter. Frozen soil behaves as a rock in winter and as a liquid mass on some soil thickness in summer. Accordingly, the surface forces acting on the pile surface in winter time disappear in the entire melted liquid soil layer in summer time. We considered the design of a pile by the condition of the first kind buckling (form) under axial compression. We took into account the conditions when the depth of the base thawing soil increases in the upper part of the pile at the stages of operation (in the summertime of the pile operation). In addition, we considered the calculation of the pile length under the same conditions at a given load on the pile at the stage of its design. To forecast the piles operating time in pile foundations or individual piles during global warming on the Earth, an algorithm for calculating pile length at the design stage is proposed. The paper provides a numerical example of calculating the pile operational life in the solid frozen soil of the foundation in an oil pipeline support. Article in Journal/Newspaper permafrost Directory of Open Access Journals: DOAJ Articles |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
soil bearing capacity solid frozen soil soil thawing axial compression longitudinal bending critical force critical pile length Engineering (General). Civil engineering (General) TA1-2040 |
spellingShingle |
soil bearing capacity solid frozen soil soil thawing axial compression longitudinal bending critical force critical pile length Engineering (General). Civil engineering (General) TA1-2040 Utkin Vladimir Kosheleva Zhanna Yarygina Olga Buckling analysis of piles in solid frozen soils |
topic_facet |
soil bearing capacity solid frozen soil soil thawing axial compression longitudinal bending critical force critical pile length Engineering (General). Civil engineering (General) TA1-2040 |
description |
The object of the research is the behavior of axial compressed piles in the foundations on continuous permafrost soils under global warming. There is a degradation of permafrost soils at present. The permafrost layer is vertically divided into two parts: 1) the top, the active layer; 2) the bottom, the frozen mass. The active layer of soil thaws in summer and freezes in winter. Frozen soil behaves as a rock in winter and as a liquid mass on some soil thickness in summer. Accordingly, the surface forces acting on the pile surface in winter time disappear in the entire melted liquid soil layer in summer time. We considered the design of a pile by the condition of the first kind buckling (form) under axial compression. We took into account the conditions when the depth of the base thawing soil increases in the upper part of the pile at the stages of operation (in the summertime of the pile operation). In addition, we considered the calculation of the pile length under the same conditions at a given load on the pile at the stage of its design. To forecast the piles operating time in pile foundations or individual piles during global warming on the Earth, an algorithm for calculating pile length at the design stage is proposed. The paper provides a numerical example of calculating the pile operational life in the solid frozen soil of the foundation in an oil pipeline support. |
format |
Article in Journal/Newspaper |
author |
Utkin Vladimir Kosheleva Zhanna Yarygina Olga |
author_facet |
Utkin Vladimir Kosheleva Zhanna Yarygina Olga |
author_sort |
Utkin Vladimir |
title |
Buckling analysis of piles in solid frozen soils |
title_short |
Buckling analysis of piles in solid frozen soils |
title_full |
Buckling analysis of piles in solid frozen soils |
title_fullStr |
Buckling analysis of piles in solid frozen soils |
title_full_unstemmed |
Buckling analysis of piles in solid frozen soils |
title_sort |
buckling analysis of piles in solid frozen soils |
publisher |
Peter the Great St. Petersburg Polytechnic University |
publishDate |
2024 |
url |
https://doi.org/10.34910/MCE.125.10 https://doaj.org/article/85629cd3006f407e9bd0c52fb96ce55d |
genre |
permafrost |
genre_facet |
permafrost |
op_source |
Magazine of Civil Engineering, Vol 17, Iss 01 (2024) |
op_relation |
http://engstroy.spbstu.ru/article/2024.125.10/ https://doaj.org/toc/2712-8172 2712-8172 doi:10.34910/MCE.125.10 https://doaj.org/article/85629cd3006f407e9bd0c52fb96ce55d |
op_doi |
https://doi.org/10.34910/MCE.125.10 |
_version_ |
1810471335008141312 |