兰州大学110周年校庆学术活动之土木工程与力学学院学术报告——王功辉副教授

日期: 2019-10-09 阅读: 来源: 关键词:

 

应兰州大学土木工程与力学学院、西部灾害与环境力学教育部重点实验室张帆宇副教授邀请,日本京都大学王功辉副教授于2019年10月11日来我校进行学术交流并作学术报告,欢迎广大师生参加。

报告题目:On the coseismic landslides occurring on tephra slopes triggered by the 2018 Hokkaido Eastern Iburi earthquake in Japan

报告时间:2019年10月11日(星期五)下午4:00-5:00

汇 报 人:王功辉副教授

报告地点:祁连堂322报告厅

主 持 人:张帆宇副教授

报告人简介

Associate Professor Gonghui Wang is a member of the Research Center on Landslides at Disaster Prevention Research Institute, Kyoto University, focusing on landslide measurements from the perspectives of geophysics, geotechnics, and engineering geology. His research topics mainly include (1) soil erosion dynamics on loess plateau, (2) construction-related geotechnical research on the variation of deformation modulus and bearing capacity of foundations, (3) rapid and long-travel movement of fluidized landslides, (4) Analysis and mitigation of reactivated large landslides, (5) landsliding phenomena under abnormal weather condition, (6) stability analysis of landslide dam, (7) long-term seismic monitoring and landslide risk assessment during earthquake. He held the title of guest professor of China University of Geosciences (Beijing), Lanzhou University, Chang’an University, and Chengdu University of Technology and Science. He works as the editors of several international journals, such as Engineering Geology, Landslides, Geography Journal, Geosciences, etc, and also some Japanese and Chinese journals.

报告简介

Earthquake-induced landslides in tephra deposits are among the most hazardous geological processes; they are very catastrophic in some cases, because they can be triggered on gentle slopes with rapid and long movement. By now, many studies had been performed on this kind of landslides from the point of geological, geomorphological, geophysical, and geotechnical views, but much concerning the prediction of such kind of landslide remains unclear. In this talk, the coseismic landslides occurringon tephra slopestriggered by the 2018 Hokkaido Eastern Iburi earthquake in Japan will be introduced. The geological features of some typical landslides were examined. The shear behavior of soil layers along the sliding surfaces had been examined by performing both in-situ direct shear tests and drained/undrained dynamic ring shear tests. During the tests, the samples were prepared at different initial water contents, and sheared by applying static or cyclic loadings. Based on these results, the possible initiation and movement mechanisms of these landslides were analyzed.

Landslides in Yoshino area, Atsuma Town, Hokkaido

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