| 三趾马红土与西北黄土高原滑坡 |
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| 引用本文： | 曲永新,张永双.三趾马红土与西北黄土高原滑坡[J].工程地质学报(英文版),1999,7(3):257-265. |
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| 作者姓名： | 曲永新 张永双 |
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| 作者单位： | 中国科学院地质研究所工程地质力学开放研究实验室,北京100029 |
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| 摘 要： | 本文在前人和作者以往研究成果的基础上总结了黄土高原大中型滑坡的形成发育规律；滑坡发生的土体结构效应；指出三趾马红土（N2）是控制和影响黄土高原滑坡形成的重要因素，并对其物质成分、工程特性及古风化带（不整合面）与滑坡的关系，及其在滑坡发生中的作用进行探讨。
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| 关 键 词： | 三趾马红土 滑坡 黄土高原 |
| 文章编号： | 1004-9665(1999)03-0257-009 |
| 收稿时间： | 1998-04-28 |
| 修稿时间： | 1998-04-28 |
HIPPARION LATERITE AND LANDSLIDE HAZARDS ON LOESS PLATEAU OF NORTHWESTERN CHINA |
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| QU Yong,xin,ZHANG Yong,shuang,QIN Zu,miao.HIPPARION LATERITE AND LANDSLIDE HAZARDS ON LOESS PLATEAU OF NORTHWESTERN CHINA[J].Journal of Engineering Geology,1999,7(3):257-265. |
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| Authors: | QU Yong xin ZHANG Yong shuang QIN Zu miao |
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| Institution: | Institute of Geology,Academia Sinica, Beijing 100029 |
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| Abstract: | The loess Plateau of northwestern China is located in a semiarid climate region with the maximum precipitation of less than 700 mm, but it is one of the areas with most serious landslide hazards in China. Landslides on the loess Plateau are both of large number and large scale, including numberous recent landslides formed in earlier Holecene and ancient landslides formed in Latc Middle Pleistocene. Among the factors controling the landslides on Loess Plateau Hipparion(N 2) laterite servcs as a medium and sliding zone and plays an important role in formation of large and medium scale landslides on the Loess Plateau of northwestern China. Based on the predecessors studies, and recent reseach by authors, this paper summarizes the formation and development regularities of large and medium scale landslides on the Loess Plateau, the effect of soil mass structure on formation of landslides, the relation of landslides with material composition and engineering properties, and ancient weathered zone (unconformable surfacc) of Hipparion laterite. Finally the formation mechanism of landslides is discussed. |
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| Keywords: | Hipparion laterite Landslide Locss Plateau Northwestern China |
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