Abstract
The three large landslides that occured in Slovenia in past few years and threaten the population and infrastructure were relatively well investigated geologically and geomechanically. One of common characteristics of all three landslides is the occurence of fast debris flows. One part of laboratory investigations was therefore focused into the study of materials that under given circumstances transform into debris flow. In addition to standard geomechanical investigations their behaviour was tested also in rheometer. In the paper the results of all laboratory tests are compared for the mentioned three landslides. The results of rheometer tests showed a consistency between test results and material behaviour on site for two tested materials.
Highlights
The three large landslides that occured in Slovenia in past few years and threaten the population and infrastructure were relatively well investigated geologically and geomechanically
One of common characteristics of all three landslides is the occurence of fast debris flows
One part of laboratory investigations was focused into the study of materials that under given circumstances transform into debris flow
Summary
V Sloveniji so bili v zadnjih letih trije veliki plazovi, ki neposredno ogro‘ajo prebivalstvo in infrastrukturo, razmeroma dobro geolo{ko in geomehansko raziskani. Ena od skupnih zna~ilnosti vseh treh plazov je pojav hitrih tokov gru{~a in mulja. Del geomehanskih raziskav je bil zato usmerjen v spoznavanje lastnosti materialov, ki so ob dolo~enih pogojih pre{li v viskozni blatni tok. Poleg standardnih geomehanskih raziskav smo izvajali preiskave teh materialov tudi v viskozimetru, kar je novost pri preiskavah zemljin. V ~lanku primerjamo rezultate vseh izvedenih preiskav za navedena plazi{~a. Rezultati preiskav v viskozimetru so za dva materiala pokazali skladnost obna{anja v naravi z obna{anjem pri preiskavi
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