Basic theory of three-dimensional landslide modeling based on the logical model of geologic structure |
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Authors: | A. Kajiyama K. Shiono S. Masumoto T. Fujita |
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Affiliation: | (1) CTI Engineering Co. Ltd., 1-2-15 Otemae, Chuo-ku, 540-0008 Osaka, Japan;(2) Department of Geosciences, Osaka City University, 558-8585 Osaka, Japan;(3) Fault Research Data Center, 550-0012 Osaka, Japan |
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Abstract: | Dynamic visualization of landslide cross-sections is important for understanding the structure and mechanism of landslide formation. Moreover, the modeling of geologic information plays an effective role in geo-hazard assessment and their mitigation. In this study, we developed the basic theory of a three-dimensional landslide modeling and applied it to the Nigawa landslide of the Hyogo Prefecture in central Japan. The construction of this model is based on the boundary surfaces of slump blocks and geologic units, and the hierarchical relationships between these surfaces. An application algorithm was validated and the model proved efficient in depicting the nature of landslides in the Nigawa area. |
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Keywords: | Landslide Three-dimensional model Logical model of geologic structure Case study |
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