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Title: Automated Monitoring the Temperature under Buildings with Pile Foundations in Salekhard
Authors: Kamnev, Y. K.
Filimonov, M. Yu.
Shein, A. N.
Vaganova, N. A.
Issue Date: 2021
Publisher: Russian Geographical Society
Russian Geographical Society
Citation: Automated Monitoring the Temperature under Buildings with Pile Foundations in Salekhard / Y. K. Kamnev, M. Yu. Filimonov, A. N. Shein et al. // Geography, Environment, Sustainability. — 2021. — Vol. 14. — Iss. 4. — P. 75-82.
Abstract: In the paper, we consider a method of ground temperature monitoring using the thermometric boreholes and computer modeling the residential buildings with the pile foundation in the city of Salekhard; note that it is located in the permafrost zone. Construction of the residential buildings and industrial structures in the permafrost zone and their operation is carried out according to the principle of preserving the frozen state of foundations. For ground temperature monitoring, thermometric boreholes are used. In a given time period, the measured temperatures are transferred to a server for further processing. Information about the temperature is an important factor for the safety of the buildings and it can be used to evaluate the piles bearing capacity. It allows to propose options for the soil thermal stabilization or to eliminate the detected technogenic heat sources. An approach of mathematical modeling to reconstruct the temperature fields in the pile foundation base of a building is discussed taking into account the data of temperature monitoring. 24 boreholes were equipped with more than 400 in-borehole thermal sensors for testing the method under the residential building I. The preliminary modeling is carried out for December and January 2020 for the contact thermal conductivity model with phase transition with the upper part of the geological section typical for Salekhard (the sandy soils). The modeling describes the freezing processes during the months in detail. The thermal monitoring allows to say that the ground in the base of the Residential building I is stable. But there are detected heat transfers near the borehole T1 at the depth of 12–14 m. The combination of monitoring and computer modeling makes it possible to assess the safety of the operation of the residential buildings in cities located in the permafrost zones. © 2021, Russian Geographical Society. All rights reserved.
Access: info:eu-repo/semantics/openAccess
SCOPUS ID: 85124203404
PURE ID: 29608892
ISSN: 2071-9388
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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