Soil cryogenesis as a natural risk factor for gas pipelines in the permafrost zone during modern warming

Abstract The paper summarizes the experience of studying the effect of modern warming on the thawing depth of sandy and loamy soils in the permafrost zone. The definition of soil cryogenesis as a natural process and facies as the end result of soil cryogenesis as a process is given. The effect of so...

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Bibliographic Details
Published inIOP conference series. Earth and environmental science Vol. 931; no. 1; pp. 12009 - 12014
Main Authors Khudyakov, I, Reshotkin, O V, Demin, D V
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.12.2021
Subjects
Corrosion
Corrosion effects
Cryogenesis
Gas pipelines
Gas pipes
Loam
Natural gas
Permafrost
Risk analysis
Risk factors
Sandy soils
Soil stresses
Soils
Stress corrosion
Stress corrosion cracking
Thawing
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Summary:Abstract The paper summarizes the experience of studying the effect of modern warming on the thawing depth of sandy and loamy soils in the permafrost zone. The definition of soil cryogenesis as a natural process and facies as the end result of soil cryogenesis as a process is given. The effect of soil cryogenesis facies on stress corrosion cracking of gas pipes of the Gazprom system in cold and warm seasons has been studied. It was found that the facies of soil cryogenesis are interconnected by the process of energy and mass exchange. It is shown that in the annual cycle, each facies formed by soil cryogenesis is the basis for the development of stress corrosion cracking of gas pipelines.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/931/1/012009