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|標題:||A preliminary study on establishing a new survey form for field investigation on natural slope – taking Taipei City as an example
|關鍵字:||自然邊坡;量化;現地調查;羅吉斯迴歸;不利條件指標;Natural slope;Quantification;Field investigation;Logistic regression;Disadvantageous index||Project:||水土保持學報, Volume 46, Issue 3, Page(s) 1065-1078.||摘要:||
Aim to assess regional instability of slopes on urban area, logistic regression was adopted to establish a quantitative and qualitative system for field investigation on natural slopes. According to the availability and feasibility, the induced factors of landslide were preliminarily selected on the basis of terrain units. Approaching by screening and correlation analysis, 13 factors which can be classified into 3 categories (including morphological causes, physical and geological causes, and human causes as well) were finally selected as the significant factors related to the landslide events in Taipei city. The survey form was then established. The coefficient of each factor was regarded as the score to assessinstable symptom, and the result via field investigation was called “disadvantageous index”. Furthermore, 2 cases of the terrain units in Taipei city were chosen to verify the feasibility by field investigation. It showed that the new system can probably be used to define the order for priority attention, with evidence of failure phenomenon.
|Appears in Collections:||第46卷 第03期|
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