SUFOSION PHENOMENA IN THE AREA OF PIENINY NATIONAL PARK

Aim of the study: The aim study was to determine range and conditions for formation piping hole canal found in Pieniny National Park May 2019. Material methods: scope research carried out included determination geotechnical characteristics subsoil on slope near along canal. Numerical calculations with finite element method were also GeoStudio program, which allowed assess possibilities soil deformation caused by seepage forces. Results conclusions: results analysis literature showed that processes Polish Carpathians are a common phenomenon plays sculptural role. observed form indicates is continuous, several dozen meters long, channel formed medium-cohesive, clay-dusty soils. It should be expected during periods prolonged or intense rainfall such phenomena will intensify. calculation did not confirm occurrence favoring hydraulic deformations. However, increased filtration flow, high values gradient generated, which, case porosity soil, favors removal particles. occurring process question favored presence wooden through from water infiltrates ground, increases intensity in-soil flow analyzed part slope.