DETERMINATION OF REDUCED PHYSICOMECHANICAL PROPERTIES OF TWO-PHASE SOILS PECULIAR TO LANDSLIDES OF NORTHERN TIAN SHAN

Abdiev B. Kasymova G. Kalmatayeva B. Adirbekov K. Abdullayeva K. Abdraimov R.
May 2021 GEOMATE International Society

International Journal of GEOMATE
2021 #20 Issue 81 52 - 58 pp.

This article is devoted to integral analysis of physicomechanical properties of surface soils peculiar to Akkain, Kok Tobe and Shymbulak landslides of Trans-Ili Alatau located in close vicinity to city borders and in Almaty. While analyzing previous landslides of this region, the authors determined three main reasons of landslide occurrence on these mountain slopes: water saturation of surface subsoils during spring rainfalls, technogenic and gravitational reasons. It has been concluded that in many cases landslides occur due to water saturation of subsoils. It is proposed to consider landslide subsoils as two-phase medium. Algorithm of prediction of reduced physicomechanical properties of two-phase subsoil is summarized. Actual predictions are carried out using the proposed procedure and algorithms. The obtained results for certain types of loose subsoils, such as sandy clay, various loams and clays, are summarized in tables which are required for deep study of landslide occurrence in water saturated subsoils of these slopes on the basis of strain-stress states.

Filtration , Landslide , Mountain slope , Subsoil , Two-phase medium , Water saturation

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Narxoz University, Almaty, Kazakhstan
Academy of Architecture and Civil Engineering, Almaty, Kazakhstan
Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan

Narxoz University
Academy of Architecture and Civil Engineering
Akhmet Yassawi International Kazakh-Turkish University

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