New approaches to stability analysis of steep coastal bluffs
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Abstract
We present a discussion on the limitations and needed improvements for existing slope stability analysis methods to accurately model steep coastal bluff failures resulting from both direct wave action at the toe in weakly cemented sands and precipitation-induced seepage failures in moderately cemented sands. Using a case-study detailing over 5 years of observations of coastal bluff erosion and landsliding in northern California, we show that existing analysis methods over-predict the observed crest retreat and mis-predict the field-measured failure geometry. In response, we propose new analysis methods for evaluating stability in these settings.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | New approaches to stability analysis of steep coastal bluffs |
| DOI | 10.1061/40971(310)63 |
| Publication Date | June 20, 2012 |
| Language | English |
| Publisher | ASCE |
| Contributing office(s) | Geology, Minerals, Energy, and Geophysics Science Center |
| Description | 7 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings of geocongress 2008 |
| First page | 507 |
| Last page | 513 |
| Conference Title | GeoCongress 2008 |
| Conference Location | New Orleans, LA |
| Conference Date | Mar 9-12, 2008 |