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Sciences in Cold and Arid Regions ›› 2015, Vol. 7 ›› Issue (4): 438–455.doi: 10.3724/SP.J.1226.2015.00438

• ARTICLES • 上一篇    

Permafrost and geotechnical investigations in Nalaikh Depression of Mongolia

Dashjamts Dalai1, Batsaikhan Anand2, Dugersuren Enkhbaatar3   

  1. 1. School of Civil Engineering and Architecture, Mongolian University of Science and Technology, Ulaanbaatar, Mongolia;
    2. Soil Trade LLC, Ulaanbaatar, Mongolia;
    3. Novosibirsk State University of Architecture and Civil Engineering, Novosibirsk, Russia
  • 收稿日期:2015-04-13 修回日期:2015-06-01 发布日期:2018-11-23
  • 通讯作者: Dashjamts Dalai, Professor of Geotechnics, School of Civil Engineering and Architecture, Mongolian University of Science and Technology, Ulaanbaatar, Mongolia. E-mail: ddashjamts@must.edu.mn E-mail:ddashjamts@must.edu.mn

Permafrost and geotechnical investigations in Nalaikh Depression of Mongolia

Dashjamts Dalai1, Batsaikhan Anand2, Dugersuren Enkhbaatar3   

  1. 1. School of Civil Engineering and Architecture, Mongolian University of Science and Technology, Ulaanbaatar, Mongolia;
    2. Soil Trade LLC, Ulaanbaatar, Mongolia;
    3. Novosibirsk State University of Architecture and Civil Engineering, Novosibirsk, Russia
  • Received:2015-04-13 Revised:2015-06-01 Published:2018-11-23
  • Contact: Dashjamts Dalai, Professor of Geotechnics, School of Civil Engineering and Architecture, Mongolian University of Science and Technology, Ulaanbaatar, Mongolia. E-mail: ddashjamts@must.edu.mn E-mail:ddashjamts@must.edu.mn

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摘要： Mongolia is a land-locked country in Central Asia, located between Russia and China. The country's high altitude results in cold, dry, and harsh climatic conditions with permafrost being widespread through the territory. Although the capital city Ulaanbaatar is situated in an area with discontinuous permafrost, the downtown section has recently seen a disappearance of permafrost due to an underground central heating system. During the last decade, expansion of the suburbs toward the Nalaikh Depression has resulted in construction of a new residential complex (Urgakh Naran), construction materials trading center, cement factory and agricultural products market. In the next 10 years, projects such as a university campus, logistics center, residential complex, railway and highway extensions connecting Russia and China have been planned. Engineering-geological and geotechnical investigations have been conducted for these construction projects. This paper presents some of the results determining the engineering geocryological conditions of Nalaikh district and offers foundation design options.

关键词: permafrost, seasonal thawing, geotechnical investigation, geocryologicalconditions, foundation design

Abstract: Mongolia is a land-locked country in Central Asia, located between Russia and China. The country's high altitude results in cold, dry, and harsh climatic conditions with permafrost being widespread through the territory. Although the capital city Ulaanbaatar is situated in an area with discontinuous permafrost, the downtown section has recently seen a disappearance of permafrost due to an underground central heating system. During the last decade, expansion of the suburbs toward the Nalaikh Depression has resulted in construction of a new residential complex (Urgakh Naran), construction materials trading center, cement factory and agricultural products market. In the next 10 years, projects such as a university campus, logistics center, residential complex, railway and highway extensions connecting Russia and China have been planned. Engineering-geological and geotechnical investigations have been conducted for these construction projects. This paper presents some of the results determining the engineering geocryological conditions of Nalaikh district and offers foundation design options.

Key words: permafrost, seasonal thawing, geotechnical investigation, geocryologicalconditions, foundation design

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JambaljavYa, Dashtseren A, Solongo D, et al., 2008.The temperature regime in boreholes at Nalaikh and Terelj sites in Mongolia.Proceedings of the Ninth International Conference on Permafrost. University of Alaska, Fairbanks, Volume 1, pp. 821-825.
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