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Artificially induced rainfall instabilities on moraine slopes.


Two surface areas at ~2750 mASL near to the Gruben glacier were selected as field test sites (slopes of 31o & 42o), to investigate the influence of relative density and degree of saturation of the soil on the slope stability in a moraine. A sprinkler system was constructed in the middle of these test areas to supply sustained rainfall over several days. The steeper slope failed. The soil response in terms of water content and suctions was measured. A series of laboratory tests were carried out in parallel, to prepare for future numerical analyses and predictions of degree of stability.


Springman, Sarah M. and Teysseire, Philipp

Index Terms:

slope; Soil; SoilGroup; Springman, Sarah M.; Teysseire, Philipp

Further Information:

Date published: 2001