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DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

DEPENDENCE OF SUFFOSION STABILITY OF SANDY SOILS OF VARIOUS GENESES ON THE TYPE OF FILTRATE

Vestnik MGSU 5/2012
  • Potapov Ivan Aleksandrovich - Scientific and Research Institute of Emergency Healthcare named after N.V. Sklifosovskiy engineer, Scientific and Research Institute of Emergency Healthcare named after N.V. Sklifosovskiy, ; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Shimenkova Anastasiya Anatol'evna - Moscow State University of Civil Engineering (MGSU) engineer, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Potapov Aleksandr Dmitrievich - Moscow State University of Civil Engineering (MGSU) Doctor of Technical Sciences, Professor, Head, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 79 - 86

Results of calculations and experimental researches of suffosion stability of sandy soils are provided in the article. The authors have assessed the prospects for the application of standard methodologies to demonstrate the need to take account of the filtrate properties in the course of projecting potential suffusion process development patterns typical for sandy soils. The principal attention must be driven to the value of the kinematic viscosity of filtered liquids. Any assessment of filtration-related interaction of the flow of liquid with sandy soils must be backed by the gradation analysis of soils and the analysis of their homogeneity, as well as the mineralogical and morphological analysis. The morphological study of sands of various geneses, performed hereunder, is based on the methodology that takes account of both the shape of sand particles and the structure of their surface.
The proposed methodology makes it possible to assess extensive sand specimen rather than separate sand particles to assure the representative sampling to assure the accuracy of the morphological analysis. The authors provide the data that cover the research of sands of various geneses demonstrating varied granulometric and mineral composition, as well as various morphological peculiarities of correlation with the filtrates that have different values of kinematic viscosity. The methodological research completed by the authors has indicated an urgent need to perform laboratory and field researches of suffosion instability of sandy soils in varied geoecological environments typical for urban lands exposed to anthropogenic pollutions.

DOI: 10.22227/1997-0935.2012.5.79 - 86

References
  1. Rekomendatsii po metodike laboratornykh ispytaniy gruntov na vodopronitsaemost’ i suffozionnuyu ustoychivost’. P 12-83 [Recommendations concerning the Methodology of Laboratory Testing of Waterpermeability and Suffosion Stability of Soils. P 12-83]. Leningrad, VNIIG [Institute Hydroproject], 1983.
  2. Spiridonov V.N. Gidravlicheskie kharakteristiki otkrytogo potoka v pronitsaemom rusle [Hydraulic Characteristics of an Open Stream in a Nontight Channel]. Moscow, Moscow Institute of Civil Engineering, 1985.
  3. Vil’ner Ya.M. Spravochnoe posobie po gidravlike, gidromashinam i gidroprivodam [Handbook of Hydraulics, Hydraulic Machines and Hydraulic Drivers]. Moscow, Mashizdat Publ., 1989.
  4. GOST 25100—95. Grunty. Klassifikatsiya. [All-Russian State Standard 25100—95. Soils. Classification]. Moscow, Gosstroy Publ., 1996.
  5. Potapov A.D. Morfologicheskoe izuchenie peskov razlichnogo genezisa v inzhenernogeologicheskikh tselyakh [Morphological Research of Sands of Various Geneses for Engineering Geology Purposes]. Moscow, PNIIIS [Production, Scientific and Research Institute of Engineering Surveying in Construction], 1982.

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