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Cracking in Asphalt-Concrete Pavement of Highways Located in Permafrost Areas
Climatic, geotechnical and permafrost conditions for gas- and oilfield construction in areas of cryotic ground are highly changeable and come together with unfavorable transformation of all components of the environment. This situation is peculiar, in particular, to highway construction and their further use. Ensuring durability of asphalt-concrete pavements encompasses a wide range of issues, for instance: analysis of the influence of climatic and operating conditions on durability of wearing courses; improvement of methods for quality inspection of materials; application of new materials; substantiation of reasonable techniques of performing work, etc. Proper maintenance of expansion joints and cracks that require highly effective waterproof materials helps extend the life of wearing courses of pavements. Knowing the scope of work to perform, i.e. the number of cracks in asphalt-concrete pavement, is an essential aspect in solving these problems. The present work defines the parameters of crack propagation in asphalt-concrete pavements located in areas of permafrost soils that are required for technical-economic and engineering-ecologic calculations and for scope planning during the use of roads. Specifically, the amount of transverse temperature cracks in asphalt concrete pavement and their placing on road segments were defined. A promising line of research in this field is the study on the influence of terrestrial ecosystems existing in areas of permafrost soils on the condition of roadsides.
Cracking in Asphalt-Concrete Pavement of Highways Located in Permafrost Areas
Climatic, geotechnical and permafrost conditions for gas- and oilfield construction in areas of cryotic ground are highly changeable and come together with unfavorable transformation of all components of the environment. This situation is peculiar, in particular, to highway construction and their further use. Ensuring durability of asphalt-concrete pavements encompasses a wide range of issues, for instance: analysis of the influence of climatic and operating conditions on durability of wearing courses; improvement of methods for quality inspection of materials; application of new materials; substantiation of reasonable techniques of performing work, etc. Proper maintenance of expansion joints and cracks that require highly effective waterproof materials helps extend the life of wearing courses of pavements. Knowing the scope of work to perform, i.e. the number of cracks in asphalt-concrete pavement, is an essential aspect in solving these problems. The present work defines the parameters of crack propagation in asphalt-concrete pavements located in areas of permafrost soils that are required for technical-economic and engineering-ecologic calculations and for scope planning during the use of roads. Specifically, the amount of transverse temperature cracks in asphalt concrete pavement and their placing on road segments were defined. A promising line of research in this field is the study on the influence of terrestrial ecosystems existing in areas of permafrost soils on the condition of roadsides.
Cracking in Asphalt-Concrete Pavement of Highways Located in Permafrost Areas
Lecture Notes in Civil Engineering
Mottaeva, Angela (editor) / Ageikina, Oksana (author) / Sufyanov, Rudolf (author)
International Scientific Conference on Architecture and Construction ; 2020
2020-12-24
10 pages
Article/Chapter (Book)
Electronic Resource
English
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