FIELD: hydraulic, industrial and civil building, as well as transport, particularly securing of slopes or inclines.;SUBSTANCE: method involves surveying slope ground with the use of light-weight probe; determining physical-and-mechanical properties and depth of sliding ground surface location with the use of reference mark system constituted of drive members and compacting slope ground by means of drive members with the use of driving device made as annular hammer. The annular hammer is produced as a single unit and has radial through threaded orifice to receive retaining bolt and striker. The striker is made as two symmetric rigid plates having orifices for bolts with nuts. Depressions for bolt heads are created in outer surface of one rigid symmetric plate.;EFFECT: increased reliability and decreased labor inputs for geological engineering survey of slope.;19 cl, 8 dwg
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