瑞芳金瓜石地滑地之土壤強度參數分析

STUDY ON THE SOIL STRENGTH PARAMETERS OF LAND-SLlDING OCCURRED IN CHIN-QUA-SHIH DISTRICT

許海龍(Hai-lung Hsu)

《中華水土保持學報》 18卷2期 (1987/11) Pp. 194-211

https://doi.org/10.29417/JCSWC.198711_18(2).0013

摘要

瑞芳金瓜石地滑地屬崩積之堆積土層，經現場踏勘、鑽探取樣，利用二方向剪力儀實施地滑地之土壤強度試驗，並以擬靜態與動態切片分析法進行邊坡穩定分析，結果獲知其滑動面且與現場觀測值相等；另得地滑地之動態內摩擦角∫_d爲靜態內摩擦角∫_d之（1.3〜1.8）倍，即∫_d =（1.3〜1.8）∫_a，俾供邊坡穩定規劃設計之參考與利用。

關鍵字

動態內摩角 ； 殘留應變

並列摘要

The soil of land-sliding occurred in Chin-Que-Shih district can be classified as a deposit layer of land-side. Through the field investigation, boring, sampling and two-dimensional shear test, the soil strength parameters can be obtained. To analize the slope stability by pseudo- static and dynamic slice methods, we can determine the sliding surface. The results are correspond to those of site investigation. The dynamic angle of friction-∫_d is equal to 13~18 times of the static angle of friction -∫_s. These parameters may serve as references for slope stability design.

並列關鍵字

Dynamic of friction ； Residual strain