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Title:Lessons learnt from field tests in some potentially unstable slopes in Switzerland
Authors:ID Springman, Sarah (Author)
ID Askarinejad, Armin (Author)
ID Casini, Francesca (Author)
ID Friedel, Sven (Author)
ID Kinzler, Peter (Author)
ID Teysseire, Philipp (Author)
ID Thielen, Andrea (Author)
ID Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru (Authorship owner)
Files:.pdf Acta_geotechnica_Slovenica_2012_Springman_et_al._Lessons_learnt_from_field_tests_in_some_potentially_unstable_slopes_in_Switzerland.pdf (1,79 MB)
MD5: A3E0658194708E0490168B9BD0CF0348
 
URL http://fgserver3.fg.um.si/journal-ags/2012-1/article-1.asp
 
Language:English
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:Rain-induced slope instability is a significant natural hazard in Switzerland, Slovenia and elsewhere in Europe. This contribution was prepared especially for the 12th Šuklje Symposium, and recognises that landslides occur both in mountain regions as well as in lowland regions during and following extreme-rainfall conditions. The Institute (and Professorship) for Geotechnical Engineering at the Swiss Federal Institute of Technology (ETH Zürich) has been engaged over several years in projects concerned with the characterisation, monitoring and modelling behaviour of slopes in mainly granular porous media across the full range of altitudes in Switzerland. A link is made to the doyen of the Šuklje day and then three case histories are presented and discussed to demonstrate the principal reactions to seasonal rainfall. A small slip was released in two of these cases and the “triggering” factors have been investigated and are discussed in this contribution. It transpires that the mode of inslope drainage influences the way in which the ground saturates and hence the volume of the potentially unstable ground. Simple stability analyses using limit equilibrium and soil parameters that have been amended to account for unsaturated soil behaviour were found to function well for slopes in largely granular media.
Keywords:rain-induced landslides, slope stability, case histories, monitoring, characterisation, modelling
Year of publishing:2012
Publication status in journal:Published
Article version:Publisher's version of article
Number of pages:str. 5-29
Numbering:št. 1, Letn. 9
ISSN:1854-0171
UDC:550.348.435(494)
ISSN on article:1854-0171
COBISS.SI-ID:270521600 New window
NUK URN:URN:SI:UM:DK:RSQZBJ7U
Copyright:Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru
Publication date in DKUM:13.06.2018
Views:604
Downloads:50
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Record is a part of a journal

Title:Acta geotechnica Slovenica
Shortened title:Acta geotech. Slov.
Publisher:Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo Univerze v Mariboru
ISSN:1854-0171
COBISS.SI-ID:215987712 New window

Secondary language

Language:Slovenian
Title:Spoznanja iz terenskih testov nekaterih možnostih nestabilnih pobočij v Švici
Abstract:Nestabilnost pobočij, ki jih povzroča dež, predstavlja pomembno ogroženost v Švici, Sloveniji in drugod po Evropi. Ta prispevek je bil še posebej pripravljen za 12. Šukljetove dneve in prikazuje takšne plaziščne pojave v hribovitih območjih, kot tudi v nižinskih predelih v času med in po izjemnimi nalivnimi pogoji. Inštitut (in profesorji) za geotehniško inženirstvo pri švicarskem Zveznem inštitutu za tehnologijo (ETH Zürich) je bil več let vključen v projekte, ki so se ukvarjali z opisom lastnosti, monitoringom in modeliranjem obnašanja pobočij, zlasti v poroznem zrnastem mediju na širokih predelih nadmorskih višin v Švici. V prispevku je povezano delo doajena Šukljetovega dne z obravnavo nestabilnosti pobočij, tej pa sledi predstavitev treh primerov plazov ter razlaga njihovega odziva na sezonsko deževje. V dveh izmed teh treh primerov je prišlo do sprožitve malega zdrsa, za katera so bili preiskani sprožilni dejavniki, ki so predstavljeni v prispevku. Le-ti so se zgodili zaradi načina drenažnega delovanja v pobočju tako, da so se tla nasičila in zaradi tega je nastala obsežna možnostna nestabilnost tal. Preprosta stabilnostna analiza z uporabo mejnega ravnovesja in z izboljšavo zemeljskih parametrov za nezasičene zemljine je bila najdena funkcija, ki je dobra za pobočja, predvsem z zrnastim medijem.
Keywords:zemeljski plazovi, zrnaste zemljine, stabilnost, modeliranje, Švica, plazovi, povzročeni z dežjem, stabilnost pobočja, primeri iz prakse, monitoring, opis lastnosti


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  1. Acta geotechnica Slovenica

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