%0 Journal Article %T Condition Forecasting of Underground Main Pipelines in Permafrost Regions %A Kotlyarevskiy, V.. %K pipeline, permafrost, thawing areole, pipeline subsidence, deformation zone, swag, stress-strain state, operation safety insuring, structural strength. %J Safety in Technosphere %D 2013 %N 2 %P 6 %I INFRA-M Academic Publishing LLC.