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Title: THE SLIP SURFACE LOCATIONS OF DEEP BLOCK LANDSLIDES
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THE SLIP SURFACE LOCATIONS OF DEEP BLOCK LANDSLIDES
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1314-2704
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English
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20
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1.1
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The identification of the landslide preparation and development mechanisms is the key to the sustainable development of landslide and landslide-prone urban and mining areas. The understanding of the landslide preparation mechanism is necessary for landslide hazard and risk assessments and designing proper protection measures and monitoring.
A new equation for calculation of a slip surface depth (of a landslide basis) was obtained, using slope morphological and soil strength parameters. A new elaborated approach for identification of critical states of native soil masses during the preparation of a landslide on natural and man-made slopes [3] is considered. The cases were considered with the landslide basis located below the toe of the slope (below the erosion basis) and when the slip surface comes out on the slope (so-called "hanging" landslides). The results of calculations were compared with the monitoring data (inclinometric), showing a good agreement. For example, the calculated depths of slip surfaces for deep landslide sites in Moscow coincide with depths identified by inclinometer measurements with accuracy of 1 m. The same results were obtained for the slope of Sura River with a «hanging» landslide. The elaborated equation can be implemented for deep block landslides, occurring in different engineering geological conditions, from weak soils (such as loams) to rocks (calcareous clays, limestone, etc.). |
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conference
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
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20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
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625-632
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18 - 24 August, 2020
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website
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cdrom
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6793
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deep landslides; landslide basis; calculation of a slip surface depth
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