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Probabilistic evaluation of loess landslide impact using multivariate model
Landslides, 2020The Loess Plateau is the largest loess accumulation area around the world, onto which loess landslides have been occurring frequently each year, thus bringing significant threats to communities there. To mitigate or manage the risk brought by loess landslides, many methods have been developed to gain insights into mechanisms that trigger loess ...
Ling Xu, Dongdong Yan, Tengyuan Zhao
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Acta Geologica Sinica - English Edition, 2005
Abstract The loess landslide along the contact between loess and Neogene red mudstone (NRM) is one of those that have occurred extensively and frequently in loess areas of China. To better understand the mechanism of this type of landslides, a distressed loess slope being subjected to deformation along the loess‐NRM contact was comprehensively ...
WEN Baoping +5 more
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Abstract The loess landslide along the contact between loess and Neogene red mudstone (NRM) is one of those that have occurred extensively and frequently in loess areas of China. To better understand the mechanism of this type of landslides, a distressed loess slope being subjected to deformation along the loess‐NRM contact was comprehensively ...
WEN Baoping +5 more
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Hypermobility of a Catastrophic Earthquake-Induced Loess Landslide
Engineering GeologyLandslide mobility refers to how far and fast a landslide can move downslope. It controls landslide impact areas and damage power. Highly mobile landslides are often initiated on slopes steeper than 30°. However, on 18 December 2023, an earthquake-induced landslide (35°52′54″N, 102°51′10″E) exhibited extraordinary mobility, with an overall travel angle
Xiao, Shihao +5 more
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Possible failure mechanisms of landslides in loess deposits [PDF]
, 2012 Löss ist ein geologische Formation und beschreibt ein Sediment aus Schluff, Ton und einem geringen Anteil an Sand, das durch Wind transportiert und abgelegter wurde. Durch die Gebirgslandschaft und die tektonischen Aktivitäten, gehören Hangrutschungen in Löss-Ablagerungen zu einer der wesentlichen Naturgefahren in Zentral-Asien.
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The Physical and Mechanic Properties of the Loess Landslide
Advanced Materials Research, 2012The loess landslide in BaDong city, HuBei province China suffers great losses, which is an extremely typical landslide disaster. Variation in water level in the Yangtse River and rainfall has enormous influence on the loess landslide disaster. Some tests on loess have been done, which mainly include water content influence on shear strength of the ...
Li Hua Li +3 more
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Liquefaction of loess landslides as a consequence of irrigation
Quarterly Journal of Engineering Geology and Hydrogeology, 2018Most landslides on the Loess Tableland (Shaanxi, China) are of the sliding-flow type, with long run-out distances. These landslides, which tend to be triggered by irrigation, result in loss of life and damage to infrastructure. In order to reveal the characteristics and mechanisms of sliding-flow landslides, field investigations, surveys and indoor ...
Jianbing Peng +6 more
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Types and characteristics of loess landslides at Heifangtai Loess Plateau, China
201020世紀60年代末期,為了安置劉家峽、鹽鍋峽庫區移民,在黑方臺建成了提水灌溉工程,造成地下水位上升,誘發了大量黃土滑坡。作者于2006-04～2007-09先后對黑方臺黃土滑坡進行了野外調查。利用IKONOS影像對黃土滑坡進行了遙感解譯,將其與研究區數字高程模型(DEM)進行疊加再現了滑坡場景。基于以上工作,首先對黑方臺黃土滑坡進行了較為系統的分類,包括黃土泥流、黃土滑動、黃土-泥巖接觸面滑坡、黃土-泥巖順層滑坡和黃土-泥巖切層滑坡。黃土泥流集中發育于野狐狗北部凹地形處;黃土-泥巖滑坡受基巖傾向控制,分布于坡向150°～200°的塬邊地段。農業灌溉補給地下水的增濕、軟化作用是黑方臺黃土滑坡的根本誘發原因。對黑方臺黃土滑坡機制的研究進行了展望。
Dai, F, Kwong, AKL, Min, H, Xu, L
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Distribution and genetic types of loess landslides in China
Journal of Asian Earth Sciences, 2019Abstract In this study, 14,544 loess landslides collected from the Loess Plateau of China are used to reveal their distribution and origins. Main factors considered include landslide density, regional tectonics, soil properties, geomorphic structure, rainfall distribution, seismic activity, and human activity.
Jianbing Peng +7 more
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Evaluation of failure mechanics of giant thick loess landslide
2011 International Conference on Multimedia Technology, 2011Based on the analysis of the engineering geological conditions of the giant loess landslide, it was induced to slide again caused by slope-cut during the highway construction. The site investigation and study revealed that the stress inside the thick loess slope has been changed slowly, which resulted in tension fracture settlement in the crown ...
null Xinjian Chen +3 more
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