DETERMINATION OF SLOPE MOVEMENTS IN ROCK BY GEOPHYSICAL METHODS

DIE ERFASSUNG VON HANGBEWEGUNGEN IM FELS DURCH GEOPHYSIKALISCHE METHODEN

The accuracy of geophysical methods of determining the substance of geotechnically interesting layers is discussed. Methods considered were p-wave refraction seismology, sh-wave refraction seismology, seismic borehole measurement and geoelectric sounding. P-wave refraction seismology and seismic borehole measurements gave consistent results which for five sixths of all cases showed excellent agreement with the bored profiles. With horizontally polarized transverse waves (sh-waves) layer boundaries up to about 15 M deep could be determined with an average error of 30 percent. The geoelectric method as a sole method of determining slope movements is not recommended because of its inaccuracy. The factors water and clay content, which are decisive for rock which has moved or is in danger of slipping, were related to the specific resistances obtained from geoelectric in situ measurements. The combination of pairs of values of the longitudinal wave rate permits qualitative determination of the water and clay content. Both l- and s-wave refraction seismology facilitate the derivation of relations between geophysical and rock and soil mechanical parameters. /TRRL/

  • Corporate Authors:

    Ministry of Building and Tehcnology, Austria

    Stubenring 1
    A-1010 Vienna,   Austria 
  • Authors:
    • Brueckl, E
  • Publication Date: 1977

Language

  • German

Media Info

  • Features: Figures; References; Tables;
  • Pagination: 78 p.
  • Monograph Title: DIE ERFASSUNG VON HANGBEWEGUNGEN IM FELS DURCH GEOPHYSIKALISCHE METHODEN
  • Serial:
    • Strassenforschung
    • Issue Number: 82
    • Publisher: Ministry of Building and Technology, Austria

Subject/Index Terms

Filing Info

  • Accession Number: 00194101
  • Record Type: Publication
  • Source Agency: Bundesanstalt für Straßenwesen (BASt)
  • Report/Paper Numbers: Monog Ser.
  • Files: ITRD, TRIS
  • Created Date: Jun 13 1979 12:00AM