期刊
LANDSLIDES
卷 7, 期 2, 页码 125-134出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10346-009-0190-3
关键词
Landslide; Quantitative vulnerability estimation; Resistance; Intensity
资金
- Research Council of Norway
- Norwegian Geotechnical Institute (NGI)
- China Scholarship Council
Within the engineering profession and natural sciences, vulnerability is widely accepted to be defined as the degree of loss (or damage) to a given element or set of elements within the area affected by a threat. The value of vulnerability is expressed nondimensionally between 0 and 1. It is a fundamental component in the evaluation of landslide risk, and its accurate estimation is essential in making a reasonable prediction of the landslide consequences. Obviously, vulnerability to landslides depends not only on the characteristics of the element(s) at risk but also on the landslide intensity. This paper summarizes previous research on vulnerability to landslides and proposes a new quantitative model for vulnerability of structures and persons based on landslide intensity and resistance of exposed elements. In addition, an approximate function is suggested for estimating the vulnerability of persons in structures. Different methods for estimating the vulnerability of various elements to slow or rapid landslides are discussed. Finally, the application of the new model is illustrated through an example.
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