應用崩塌體積與最小平滑曲面法建構三維深層崩塌之近似破壞面

Chih Yu Kuo, Ya Hsin Chan, Pi Wen Tsai, Rou Fei Chen, Yih Chin Tai, Ching Weei Lin

研究成果: 雜誌貢獻文章同行評審

摘要

Because of the large number of potential deep-seated landslides in Taiwan, for slope hazard mitigation planning, automated tools are necessary for assessing crucial landslide scarp parameters in a cost-effective manner. These landslide scarp parameters include landslide volume, shape, fracture surface depth, slope stability, and affected areas. This study proposed a method of constructing approximated three-dimensional (3D) fracture surfaces by using landslide volume and the minimal smooth surface method in which landslide volume is considered enclosed by minimal smooth surfaces and free slope surfaces. Through optimization, the minimal smooth surface can be calculated, with its circumference conforming to the observed scarp boundary. To verify applicability, we applied this method to two landslides sites in the Jiasian District of Kaohsiung City, and the preliminary assessment results indicated that this method is feasible for practical applications. In the future, a predicted 3D sliding landslide mass can be directly incorporated into slope stability analysis, landslide motion simulation, and other applications.

貢獻的翻譯標題Constructing Approximated Three-Dimensional Fracture Surfaces of Deep- Seated Landslides by Using Volume Constraints and Smooth Minimal Surfaces
原文???core.languages.zh_TW???
頁(從 - 到)143-153
頁數11
期刊Journal of Chinese Soil and Water Conservation
50
發行號4
DOIs
出版狀態已發佈 - 2019 十二月 1

Keywords

  • Deep-seated landslide
  • Fracture surface estimation
  • Minimal smooth surface

ASJC Scopus subject areas

  • Water Science and Technology
  • Geotechnical Engineering and Engineering Geology
  • Soil Science
  • Earth-Surface Processes

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