水道港口2024，Vol.45Issue(1)：116-122,7.
降雨诱发古滑坡多期复活机制物理模拟试验研究
Physical simulation experiment on multi-stage revival mechanism of ancient landslide induced by rainfall
摘要
Abstract
The giant landslide in the reservoir area of a proposed hydropower station on the upper Yalong River has deformed significantly in recent years,posing a serious threat to the construction and operation of the hydropower station.On the base of on-site geologic investigation and deformation analysis,different similar materials were prepared and bottom friction test was used to study the deformation mechanism and damage mode of the landslide.The rear cracks of landslide B1 area are found to form earlier than those at the front,and their scale is also larger,as indicated by the results of bottom friction tests.This is consistented with on-site investigations and interview information.Monitoring points in B1 area indicate that the degree of rear deformation is greater than that of the front,which conforms to a translational deformation pattern.However,if instability and failure occur in B1 area,it may lead to localized progressive instability and failure in the A area of the rear.Overall(A + B1 area)may evolve into a traction-type deformation failure mode.The research results of bottom friction test on the deformation and damage mode of Zhoujia landslide can provide a certain basis for the engineering management decision.关键词
滑坡/变形特征/底摩擦试验/复活变形机制/破坏模式Key words
landslide/deformation characteristics/bottom friction test/resurrection deformation mechanism/failure mode分类
交通工程引用本文复制引用
陈斌,李伟,石豫川..降雨诱发古滑坡多期复活机制物理模拟试验研究[J].水道港口,2024,45(1):116-122,7.基金项目
国家自然科学基金项目(41977237) （41977237）
