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Formation and Evolution Mechanism of the ZhengGang Giant Ancient Landslide
During the continuous uplift of the Qinghai-Tibet Plateau, the genetic mechanism of giant ancient landslides in the deep-cutting rivers has attracted widespread attention. The formation of giant ancient landslides is closely related to the evolution history of rivers. Using the methods of field investigation and numerical simulation, the formation and evolution process of the Zhenggang giant ancient landslide of the Lancang river upstream is studied. The correlation between the landslide formation and the valley evolution is analyzed. The toppling deformation body evolution of a giant ancient landslide and its genetic mechanism is studied. The results show that the bank slope unloading caused by the down-cutting of the river is the main effect factor of the landslides occurrence. The structure of soft and hard inter-bedded, and rainfall infiltration are all important influencing factors. The bank slope unloading caused by the down-cutting of the river promoted the bending and toppling of the steep rock mass. The giant ancient landslide takes the toppling fracture zone as the slip zone slipped.
Formation and Evolution Mechanism of the ZhengGang Giant Ancient Landslide
During the continuous uplift of the Qinghai-Tibet Plateau, the genetic mechanism of giant ancient landslides in the deep-cutting rivers has attracted widespread attention. The formation of giant ancient landslides is closely related to the evolution history of rivers. Using the methods of field investigation and numerical simulation, the formation and evolution process of the Zhenggang giant ancient landslide of the Lancang river upstream is studied. The correlation between the landslide formation and the valley evolution is analyzed. The toppling deformation body evolution of a giant ancient landslide and its genetic mechanism is studied. The results show that the bank slope unloading caused by the down-cutting of the river is the main effect factor of the landslides occurrence. The structure of soft and hard inter-bedded, and rainfall infiltration are all important influencing factors. The bank slope unloading caused by the down-cutting of the river promoted the bending and toppling of the steep rock mass. The giant ancient landslide takes the toppling fracture zone as the slip zone slipped.
Formation and Evolution Mechanism of the ZhengGang Giant Ancient Landslide
Lecture Notes in Civil Engineering
Feng, Guangliang (editor) / Cheng, Wei (author) / Luo, Junyao (author) / Yang, Taiqiang (author) / Jiang, Xiaolong (author) / Fan, Xuefeng (author) / Yang, Yang (author) / Feng, Yelin (author) / Huang, Qingfu (author)
International Conference on Civil Engineering ; 2023 ; Nanchang, China
Proceedings of the 10th International Conference on Civil Engineering ; Chapter: 9 ; 91-106
2024-07-20
16 pages
Article/Chapter (Book)
Electronic Resource
English
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