Simple Method for Identifying Unstable Slopes Based on Topographical and Geological Conditions

Yuichiro NISHIKANE; Takeshi KAWAGOE; Takuya URAKOSHI; Tomokazu ISHIHARA

doi:10.2219/rtriqr.56.4_278

PAPERS

Simple Method for Identifying Unstable Slopes Based on Topographical and Geological Conditions

Yuichiro NISHIKANE, Takeshi KAWAGOE, Takuya URAKOSHI, Tomokazu ISHIHARA

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Keywords: shallow landslide, topographical and geological condition, field observations, map interpretation, Hayashi's quantification method II

JOURNAL FREE ACCESS

2015 Volume 56 Issue 4 Pages 278-283

DOI https://doi.org/10.2219/rtriqr.56.4_278

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Abstract

Previous studies have reported that topographical and geological conditions influence shallow landslides. However, identifying unstable slopes based on these conditions needs professional knowledge and detailed surveys. This report statistically examines topographical and geological data in order to extract topographical and geological conditions which are useful for identifying unstable slopes from those reported in previous studies. Based on the results, a simple procedure is proposed for identifying unstable slopes.

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