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Talks and Poster Presentations (with Proceedings-Entry):

A. Preh, J.T. Sausgruber:
"The Extraordinary Rock-Snow Avalanche of Alpl, Tyrol, Austria. Is it Possible to Predict the Runout by Means of Single-phase Voellmy- or Coulomb-Type Models?";
Talk: XII International IAEG Congress, Torino, Italy; 2014-09-15 - 2014-09-19; in: "Engineering Geology for Society and Territory - Volume 2, Landslides", G. Lollino et al. (ed.); Springer International Publishing, Volume 2 (2014), ISBN: 978-3-319-09056-6; 1907 - 1911.



English abstract:
On March 22nd, 2012, the Central Institute for Meteorology and Geodynamics Austria registered 7 min before midnight a seismic event with a magnitude of 1.4, which was caused by a rock slide in a mountainous region in Tyrol, Austria, some 33 km west of Innsbruck. Interestingly, this event had an extraordinary runout of 2.6 km, representing an angel of reach (fahrböschung) of only 17.8. This is explained by rock mass sliding on old snow, which extremely promoted the mobility of the process. The rock-snow avalanche was analyzed by means of the continuum numerical models DAN and DAN3D. The purpose of the study was to verify, if the relative simple single-phase Voellmy- or Coulomb-type models used are capable to simulate the behavior of complex rock-snow avalanches, where two phases-rock (solid) and snow (fine particles)-are involved.

Keywords:
Rock-snow avalanche, Runout analysis, Tyrol, Voellmy rheology, Dynamic analysis (DAN)


"Official" electronic version of the publication (accessed through its Digital Object Identifier - DOI)
http://dx.doi.org/10.1007/978-3-319-09057-3_338


Created from the Publication Database of the Vienna University of Technology.