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Subsidences and erosion in loess soils

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Abstract

The properties of loesses are very peculiar. The formation of loess is stable in the dry state, but under the effect of moisture it could present great subsidence. Sometimes in loess some processes are in progress. Similar to karst formation in the water-soluble rocks, but chiefly connected with mechanical suffosion (loess pseudokarst). In the water saturated condition loess soils are of a lower bearing capacity. Locally the loess is characterized by some self-progressing processes of underflooding by underground waters. Provoked by earthquakes and explosions some thixotropical liquefaction of loess soils may occur. All these processes have drawn the attention of researchers, engineers and agronomists of different countries to loess. In the first part of this paper we consider the collapse deformations and wash-outs of loess (Savvateev 1974), in the second part — pseudokarst processes (Kriger; Lavrusevich; Petrov 1983).

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References

  • Savvateev, S.S.: The systematical errors of laboratory tests of deformativity of collapse soils. Basements, foundation and mechanics of soil. N3, 8–10 (1972) (in Russian)

  • Savvateev, S.S.: The research of deformation and compaction of thick collapse soil pack under soakening. The materials of the VIIIth All-Union Conference on reinforcement and compaction of soils. Kiev, 349–353, 1974. (in Russian)

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  • Kriger, N.I.: Loess pseudokarst. In: Stroiizdat, M., The questions of the theory and methods of engineering geodynamics, 24–49. Moscow 1975. (in Russian)

  • Kriger, N.I.; Botnikov, V.I.; Lavrusevich, S.A.; Mironyuk, S.G.; Petrov, A.G.: Pseudokarst in loess rocks. Geomorphology 3, 79–84 (1983) (in Russian)

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Authors and Affiliations

  1. Research Institute of Engineering Geology, Okruzhnoy proezd 18, 105058, Moscow, USSR

    Savvateev S. S., Kriger N. I. (Prof.), Lavrusevich S. A. & Petrov A. G.

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  1. Savvateev S. S.
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  2. Kriger N. I.
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  3. Lavrusevich S. A.
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  4. Petrov A. G.
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Savvateev, S.S., Kriger, N.I., Lavrusevich, S.A. et al. Subsidences and erosion in loess soils. GeoJournal 15, 173–176 (1987). https://doi.org/10.1007/BF00157944

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  • DOI: https://doi.org/10.1007/BF00157944

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