ASSESSMENT OF THE EFFECTIVENESS OF BIOSTABILIZATION IN IMPROVING THE GEOTECHNICAL PROPERTIES OF DEGRADED SOILS IN THE ARID REGIONS OF KAZAKHSTAN
Sunakbaeva D.Kh. Yuldashbek D.Kh. Aitekova K. Nurmakova S.M. Waris M.
2025National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2025#2025Issue 4295 - 311 pp.
The article presents an innovative approach to the restoration and stabilization of weak soils, using the example of the Turkestan region, characterized by an arid climate and degraded soil cover. The main goal of the study was to develop and experimentally validate a biostabilization technology aimed at improving the physico-chemical and engineering-geological properties of soils through environmentally safe compositions. This technology addresses challenges such as erosion, low bearing capacity, and land degradation, which are especially critical in arid regions. The research involved an engineering-geological analysis of soils using laboratory and computational methods. Evaluated parameters included humus content, mobile phosphorus, nitrogen, exchangeable bases, water retention, and resistance to erosion. Experimental results showed that vermicompost significantly improves soil structure and geotechnical stability. Potassium polyacrylamide enhances water retention, reducing the risk of deformation and settlement. Lime-sulfur broth strengthens surface horizons and reduces wind erosion, although its impact on mechanical properties requires further study. The proposed biostabilization methods effectively improve the geotechnical characteristics of weak soils, increasing their resistance to erosion and enhancing their suitability for engineering applications such as foundation stabilization, slope reinforcement, and land restoration. These technologies are especially relevant in arid climates, where soil degradation is widespread. The studys findings can be applied in geotechnical engineering, engineering geology, and sustainable agriculture to support environmentally responsible land use and the restoration of degraded areas.
biostabilization , ecological safety , functional food products , germination technology , resource efficiency , soil
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Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkestan, Kazakhstan
International Taraz university named after Sherkhan Murtaza, Taraz, Kazakhstan
Satbayev University, Almaty, Kazakhstan
Faculty of heritage aror University of Art Architecture Design and heritage, Sukkur Sindh, Rohri, Pakistan
Khoja Akhmet Yassawi International Kazakh-Turkish University
International Taraz university named after Sherkhan Murtaza
Satbayev University
Faculty of heritage aror University of Art Architecture Design and heritage
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