The influence of mineral composition on the ring shear behavior of landslide soils.
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In the present study, ring shear tests were firstly performed for landslide soils which showed a considerable variation in physical and mineralogical properties. Influences of the mineral compositions on shear behaviors were analyzed, and classification of the stress-displacement curve was discussed. A fall in the strength from the peak to the residual state was clearly observed for the soil containing a large amount of silt and sand particles, and clay fraction below 20%. The variation of the strength reduction versus total contents of preferred-oriented clay minerals was expressed as a convex curve. Stress-displacement curves of landslide soils were classified into 4 types based on the total amount of minerals in soil.
- 公益社団法人 日本地すべり学会の論文
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