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Arrangement of bored piles in the cryolithozone of central Yakutia
Efimov Vasilii Moiseevich

Deputy Director, Institute of Physical-Technical Problems of the North, Siberian Branch of the Russian Academy of Sciences

677000, Russia, the Sakha Republic (Yakutiya), Yakutsk, Oktyabrskaya Street 1, office #101

bmr2008@list.ru
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Rozhin Igor' Ivanovich

Doctor of Technical Science

Leading Scientific Associate, Institute of Oil and Gas Problems of the Siberian Branch of the Russian Academy of Sciences

677980, Russia, the Sakha Republic (Yakutiya), Yakutsk, Oktyabrskaya Street 1

i_rozhin@mail.ru
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Popenko Fedor Eliseevich

PhD in Geology and Mineralogy

Director, the department of Scientific Implementing Center “Geotechnology”

677000, Russia, the Sakha Republic (Yakutiya), Yakutsk, Vilyuiskii Trakt 5, 1/1

geotechnologia@mail.ru
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Popenko Fedor Eliseevich

PhD in Geology and Mineralogy

Director, the department of Scientific Implementing Center “Geotechnology”

677000, Russia, the Sakha Republic (Yakutiya), Yakutsk, Vilyuiskii Trakt 5, 1/1

geotechnologia@mail.ru
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Stepanov Anatolii Viktorovich

Doctor of Technical Science

Chief Scientific Associate, Institute of Physical-Technical Problems of the North, Siberian Branch of the Russian Academy of Sciences

677980, Russia, the Sakha Republic (Yakutiya), Yakutsk, Oktyabrskaya Street 1

a.v.stepanov@iptpn.ysn.ru
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Stepanov Anatolii Anatol'evich

PhD in Technical Science

Scientific Associate, Institute of Physical-Technical Problems of the North, Siberian Branch of the Russian Academy of Sciences

677980, Russia, the Sakha Republic (Yakutiya), Yakutsk, Oktyabrskaya Street 1

stepanov-a.a@mail.ru
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Vasil'chuk Yurii Kirillovich

Doctor of Geology and Mineralogy

Professor, M. V. Lomonosov Moscow State University

119991, Russia, Moscow, Leninskie Gory Street 1, office #2009

vasilch_geo@mail.ru
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Abstract.

The article deals with the problems of arranging pile foundations on the territory of the Republic of Sakha (Yakutia) using bored piling. This technology, which is not so widespread in the republic, is simpler and more convenient, in contrast to reinforced concrete foundation piles. In the process of hardening concrete during the arrangement of the bored pile, local fission of frozen soil occurs. Therefore, when using bored piles in the cryolithozone, the problem of determining the design temperatures and the time of formation of the stationary soil regime at the base of the entire pile field, which allows full loading of the foundations, becomes especially critical. Field observations of the temperature regime of soils near the bored pile during its arrangement and hydration of concrete were carried out. In the course of the study, data was obtained on the dynamics of the temperature regime of the soil near the bored pile in the process of its arrangement. The data obtained show that stable negative temperatures over the entire depth of the well are observed one month after pouring, during which period the pile attains most of its strength.

Keywords: hydration, soil, temperature regime, concrete, bored piles, permafrost, building, foundation, thawing, measurements

DOI:

10.7256/2453-8922.2018.1.25936

Article was received:

04-04-2018


Review date:

04-04-2018


Publish date:

07-04-2018


This article written in Russian. You can find full text of article in Russian here .

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