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Пространственная сопряженность элементов газотранспортной геотехнической системы в криолитозоне Западной Сибири

Authors: Kozin, V. V.; Tchikharev, V. A.;

Пространственная сопряженность элементов газотранспортной геотехнической системы в криолитозоне Западной Сибири

Abstract

The article suggests a way to estimate the environmental features of the gas transportation corridors. The estimate is based on the analysis of spatial interaction between elements of geotechnical systems powered by cartographic methods. The authors compiled a set of 1:5000 maps of the key areas: landscape and ecological maps of different types of landscape environments showing elements of geotechnical systems and hydrographic features of areas which vary in humidity conditions. The inventory of the areas on the map is based on the analysis of photo structural unities at aerospace pictures. The maps also have a legend for areas with different humidity conditions: it shows dry, fresh, humid, damp area types and frozen peat hydrotops; these types have been described and linked to the analysis of their influence on the engineering status of the contiguous gas pipeline system. The article identifies the reasons and describes characteristics of water erosion, processes of thermokarst and ground swell undercutting, which contribute to deterioration of gas transportation system and add to its costs. The article includes recommendations on monitoring and design of gas pipeline geotechnical systems in the utilities corridors which are based on the knowledge of interaction between engineering projects via ecosystems.

На основе анализа пространственного взаимодействия элементов геотехнической системы при помощи картографирования оценивается дифференцированная ландшафтно-экологическая среда создаваемых коридоров транспорта газа. Построены серии карт масштаба 1:5000 ключевых участков: ландшафтно-экологические (группы ландшафтных фаций) с отражением элементов геотехнических систем и гидротопов (местоположений, отличающихся условиями увлажнения). Инвентаризация выделов карт производилась на основе регистрации фотоструктурных единств на космических снимках. Разработана легенда карты местоположений, отличающихся условиями увлажнения: выделены сухие, свежие, влажные, сырые и торфяномерзлые гидротопы; проведено их описание в пространственной сопряженности с анализом влияния на инженерное состояние газопроводной системы. Установлены причины и характер водной эрозии, процессов термокарста и размыва обвалования, приводящие газотранспортные системы к ненормативному состоянию и значительному удорожанию транспорта газа. Даны рекомендации по мониторингу и проектированию газопроводных геотехнических систем в коридорах коммуникаций, с учетом взаимного влияния инженерных объектов через природные комплексы.

Keywords

hydro erosion, термоэрозия, геотехническая система, газопровод, водная эрозия, pipeline, устойчивость, stability, thermal erosion, geotechnical system

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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green