IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2006  > Vol3 No.2
Micromorphology of landslide soil
He Yurong; Cui Peng; Liao Chaolin; Zhang Baohua; Zhao Yu
Corresponding AuthorHe YR
AbstractLandslide is one of natural catastrophes affecting national economy and people’s livelihood. There are many reports on the forming mechanism and control of landslide, but the studies on micromorphology of landslide soil are few. There are many potential landslides in the Three Gorges Region in China. In this paper, the micromorphologic features of the Jibazi landslide soil in Yunyang in the Three Gorges Region of the Yangtze River were studied using routine methods, that is, soil micromorphology, X-ray diffractometer and scanning electron microscope. The main conclusions are as follow: (1) The basic micromorphologic characteristics of the landslide soil are that the fine soil particles are commonly cohesive matrix, finer and lower content of skeleton grains, the microstructures are mainly types of phenocrystal gelatinization, densely chap and fissure structure. As a result, these micromorphologic features affect the discharging of soil water, favor the movement of landslide body and provide an internal basis of materials for the formation of landslide. (2) The concept on the forming material of landslide was proposed, and types of optical beamed clay aggregates, Fe-Mn isolates and glassy material were found in landslide-belt soil, which were remarkably different from the natural soil formation, and had some scientific significance in analyzing the forming mechanism of landslide and distinguishing the landslide-belt soil. (3) Some special micromorphologic and sub-micromorphologic characteristics, such as fingerprint microstructure, clay beamed bedding microstructure, o:ressive microstructure, moulage microstructure and extending hole microstructure, could bring useful micromorphologic evidences for the observation and forecasting of landslide. The results mentioned above will bring helpful micromorphologic evidences for distinguishing slide soil, analyzing the formation mechanism of landslide, and monitoring and forecasting the occurrence of landslide.
KeywordLandslide Microstructure Forming Material Of Landslide Three Gorges Region China
Document Type期刊论文
CollectionJournal of Mountain Science_Journal of Mountain Science-2006_Vol3 No.2
Recommended Citation
GB/T 7714
He Yurong,Cui Peng,Liao Chaolin,et al. Micromorphology of landslide soil[J]. JOURNAL OF MOUNTAIN SCIENCE,2006,3(2):147–157.
APA He Yurong,Cui Peng,Liao Chaolin,Zhang Baohua,&Zhao Yu.(2006).Micromorphology of landslide soil.JOURNAL OF MOUNTAIN SCIENCE,3(2),147–157.
MLA He Yurong,et al."Micromorphology of landslide soil".JOURNAL OF MOUNTAIN SCIENCE 3.2(2006):147–157.
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