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Characterisation of historical quick clay landslides and input parameters for Q-Bing | |
L'Heureux, Jean-Sebastian | |
2013-07-09 | |
出版年 | 2013 |
语种 | 英语 |
国家 | 挪威 |
领域 | 气候变化 |
英文摘要 | The post-failure mechanism associated to Norwegian quick clay landslides is a complex natural phenomenon. An attempt is made in the present study to characterize the mobility of such landslides on the basis of well-documented cases and available relationships from laboratory data. Factors affecting mobilization into flows and run-out distances are discussed. During a landslide the flow behavior can be quite complex and various types of flow behavior can exist depending on the clay type, sensitivity, remoulded shear strength, pore-water salinity, mineralogy, and water content. Results show that the remoulded shear strength in soil mechanics is similar to values of yield strength in rheology. There is, however, a large discrepancy between values of viscosity determined empirically from laboratory data and those obtained from back-calculation of landslide events. Hence, there is a need for field and laboratory calibration of these models. |
英文关键词 | Kvikkleire Skred |
URL | 查看原文 |
来源平台 | Center for International Climate and Environmental Research-Oslo (CICERO) |
文献类型 | 科技报告 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/1810 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | L'Heureux, Jean-Sebastian. Characterisation of historical quick clay landslides and input parameters for Q-Bing,2013. |
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