Journal article
Analysis of a small debris slide in coastal Alaska
Canadian Geotechnical Journal, Vol.19(2), pp.167-174
1982
Abstract
On October 1, 1980, a moderately intense storm at Trap Bay, Alaska, triggered a small debris slide in a forested midslope depression that was instrumented to record the maximum piezometric rise. 54% (3.68cm) of the total rain fell during the final 3h causing the soil mantle to become nearly saturated. Analysis of the mechanics of the failure showed that an apparent cohesion of 2.0kPa, probably due to rooting strength, was acting on the 43o hillslope. Calculated factors of safety for such thin, partially saturated soils are very sensitive to small changes in apparent cohesion and should be used with caution on such sites. -from Authors
Details
- Title
- Analysis of a small debris slide in coastal Alaska
- Authors
- Roy C Sidle (Author)D N Swanston (Author)
- Publication details
- Canadian Geotechnical Journal, Vol.19(2), pp.167-174
- Publisher
- N R C Research Press
- Date published
- 1982
- DOI
- 10.1139/t82-018
- ISSN
- 0008-3674
- Organisation Unit
- University of the Sunshine Coast, Queensland; Sustainability Research Cluster
- Language
- English
- Record Identifier
- 99450056402621
- Output Type
- Journal article
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- Engineering, Geological
- Geosciences, Multidisciplinary
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Source: InCites