Cooling of near-pile permafrost soils in the Arctic region

This work is performed to improve or strengthen the soil in the permafrost region under building foundations or engineering structures in the conditions of the Far North. Freezing in winter and partial thawing in summer of the surface layer of permafrost are analyzed. According to the surveys on soil temperature, thawing of permafrost soils is predicted. Promising solutions are considered for the permafrost soil stabilization. The latest design solutions and developments are presented for the creation of many systems and devices for thermal stabilization of permafrost soils. A schematic diagram is suggested for the experimental installation for recording changes in ambient air temperatures and permafrost. The equipment is selected for studying the automated control system for the cooling process of casing pipe of the foundation pile and near-pile permafrost soil. An experimental installation is proposed to study the effectiveness of the automated control system. The model and simulation of this system is imple- mented in the SimInTech program. The automatic control system provides control for thermoelectric modules in automatic mode in order provide their best orientation in the ambient air temperature, depending on the soil temperature in the near-pile space of the foundation. A device is patented for stabilizing the frozen ground of a pile foundation with casing pipes containing a system for automated control for cooling process of the near-pile foundation.

1. Lozhkin A.O., Khodakov P.A. Issledovanie stabil'nosti geodezicheskikh tsentrov v raione vechnoi merzloty [Stability of geodetic centers in the permafrost region]. Geodeziya i kartografiya. 2012. No. 3. Pp. 21–26. (rus)

2. Jafarov E.E., Marchenko S.S., Romanovsky V.E. Numerical modeling of permafrost dynamics in Alaska using a high spatial resolution dataset. The Cryosphere. 2012. V. 6. No. 3. Pp. 613–624.

3. Amel'chugov S.P., Inzhutov I.S., Klimov A.S. et al. Problemy bezopasnosti zdanii arkticheskogo regiona Vostochnoi Sibiri [Problems of building safety in the Arctic region of Eastern Siberia]. Aktual'nye problemy obespecheniya pozharnoi bezopasnosti i zashchity ot chrezvychainykh situatsii: sb. statei po materialam Vserossiiskoi nauchno-prakticheskoi konferentsii (Proc. All-Russian Sci. Conf. ‘Relevant Problems of Fire Safety and Protection from Emergency Situations’), Zheleznogorsk, 2019. Pp. 166–172. (rus)

4. Nicolsky D.J., Romanovsky V.E., Panteleev G.G. Estimation of soil thermal properties using in-situ temperature measurements in the active layer and permafrost. Cold Regions Science and Technology. 2009. V. 55. No. 1. Pp. 120–129.

5. Filimonov M.Yu., Vaganova N.A. Modelirovanie termostabilizatsii grunta pri ekspluatatsii inzhenernykh ob"ektov v usloviyakh arkticheskikh i subarkticheskikh regionov [Modeling of soil thermal stabilization during the operation of engineering objects in the Arctic and subarctic regions]. Ekologiya. Ekonomika. Informatika. Seriya: Sistemnyi analiz i modelirovanie ekonomicheskikh i ekologicheskikh sistem. 2017. V. 1. No. 2. Pp. 391–401. (rus)

6. Abu-Khasan M.S., Egorov V.V., Kuprava L.R., Charnik D.G. Termostabilizatsiya vechnomerzlykh gruntov pri vozvedenii sooruzhenii v severnykh klimaticheskikh zonakh [Thermal stabilization of permafrost soils in building construction in northern climatic conditions]. Byulleten' stroitel'noi tekhniki. 2019. No. 4 (1016). Pp. 40–42. (rus)

7. Surikov V.I., Korotkov A.A., Mel'nikova E.A. Issledovaniya uslovii ekspluatatsii ustroistv termostabilizatsii gruntov s uchetom vozdeistviya tekhnicheskikh ob"ektov na mnogoletnemerzlye grunty [Operating conditions of soil thermal stabilization devices with impact of technical objects on permafrost soils]. Neftyanoe khozyaistvo. 2017. No. 8. Pp. 116–119. (rus)

8. Inzhutov I.S., Zhadanov V.I., Semenov M.Yu., Klimov A.S., Amelchugov S.P. A comparative analysis of foundation design solutions on permafrost soils. E3S Web of Conferences. International Science Conference on Business Technologies for Sustainable Urban Development. 2019. V. 110. P01019. DOI: 10.1051/e3sconf/201911001019

9. Okorokov N.S., Korkishko A.N., Korzhikova A.P. Eksperimental'noe issledovanie prinuditel'no ventiliruemoi svai [Experimental study of forcibly ventilated pile]. Vestnik MGSU. 2020. V. 15. No. 5. Pp. 665–677. (rus)

10. Revel'-Muroz P.A., Lisin Yu.V., Soshchenko A.E., Surikov V.I., Tataurov S.B. Sposob termostabilizatsii mnogoletnemerzlykh gruntov i ustroistvo dlya ego realizatsii [Method and device of permafrost soil thermal stabilization]. Patent Russ. Fed. N 2620664, 2017. (rus)

11. Gorelik Ya.B., Mel'nikov V.P., Fakhretdinov I.Z., Shtol' V.F., Gorelik R.Ya. Ustroistvo dlya termostabilizatsii gruntov [Device for soil thermal stabilization]. Patent Russ. Fed. N 2014137685, 2015. (rus)

12. Klimov A.S., Amel'chugov S.P., Inzhutov I.S. Ustroistvo dlya stabilizatsii merzlogo grunta svainogo fundamenta s obsadnymi trubami [Device for frozen soil stabilization of pile foundation with casing pipes]. Patent Russ. Fed. N 2681161, 2019. (rus)