Deformation characteristics of consequent slate slopes through a physical model test

Chia Ming Lo*, Meng Chia Weng, Yu Hsuan Lin, Pei Juan Liu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


This paper focuses on characterizing the deformation of consequent slate slopes in Taiwan. Onsite surveys, terrain analysis, and a physical model test are used to describe the characteristics of gravity-driven deformation under various conditions and identify the process of slate deformation as well as potential failure mechanisms. Slate deformation is shown to begin in the tension zone at cliff tops, wherein the slope body slips along the highly inclined foliation, contributing to shear failure or composite failure near the eroded zone of weakness. The phenomenon of foliation opening is widespread within the area of deformation, enabling surface water and groundwater to seep in, thereby accelerating deformation and failure in the slate deformation zone.

Original languageEnglish
Pages (from-to)165-173
Number of pages9
JournalJournal of Chinese Soil and Water Conservation
Issue number3
StatePublished - 1 Sep 2014


  • Consequent slate slopes
  • Physical modeling
  • Potential failure
  • The process of slate deformation
  • mechanism


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