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Effects of soil-engineering properties on the failure mode of shallow landslides

Landslides

By:
, , ,
DOI: 10.1007/s10346-011-0295-3

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Abstract

Some landslides mobilize into flows, while others slide and deposit material immediately down slope. An index based on initial dry density and fine-grained content of soil predicted failure mode of 96 landslide initiation sites in Oregon and Colorado with 79% accuracy. These material properties can be used to identify potential sources for debris flows and for slides. Field data suggest that loose soils can evolve from dense soils that dilate upon shearing. The method presented herein to predict failure mode is most applicable for shallow (depth <5 m), well-graded soils (coefficient of uniformity >8), with few to moderate fines (fine-grained content <18%), and with liquid limits <40.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Effects of soil-engineering properties on the failure mode of shallow landslides
Series title:
Landslides
DOI:
10.1007/s10346-011-0295-3
Volume
9
Issue:
2
Year Published:
2012
Language:
English
Publisher:
Springer
Publisher location:
Amsterdam, Netherlands
Contributing office(s):
Geologic Hazards Science Center
Description:
14 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Landslides
First page:
215
Last page:
228