ORIGINAL RESEARCH article
Front. Earth Sci.
Sec. Geohazards and Georisks
This article is part of the Research TopicNatural Disaster Prediction Based on Experimental and Numerical MethodsView all 31 articles
Experimental study on the formation mechanism of landslides considering the spatial distribution of the locking section
Provisionally accepted
- 1Powerchina Jiangxi Electric Power Engineering Co., Ltd, Nanchang, China
- 2Chongqing University, Chongqing, China
- 3Chongqing 208 Geological Team, Chongqing, China
- 4College of Geosciences and Engineering, North China University of Water Resources and Electric Power, Zhengzhou, China
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The evolution processes of locked-segment landslides are difficult to determine, causing severe economic losses and casualties. Furthermore, when the locked-segment landslide is excavated, its evolution process will become more complicated. However, there have been few studies on the identification criteria for the evolution state of locked-segment landslides. In this case, this paper adopted the model test to analyze the evolution process, deformation patterns, and stress distribution of locked-segment landslides, and the identification criteria for the evolution state were proposed. Specifically, for non-locked landslides, it presented general push-type progressive failure with multiple slip surfaces. The shape, depth, and deformation amount of the slip surfaces at each section of the slope were basically the same. As for the locked-segment landslide with a lower locking ratio (15%), the push-torsion progressive failure occurred, accompanied by multiple slip surfaces and non-cooperative deformation. The locked-segment landslide with a higher locking ratio (30%) presented as shallow push-type progressive failure. The shape, depth, and deformation amount of the slip surfaces at each section were also basically the same. The research results could provide significant reference for the identification, prevention, and early warning of locked-segment landslides.
Keywords: Experimental study, formation mechanism, Locked-segment landslides, Excavation process, Generalized geo-mechanical model
Received: 17 Jun 2025; Accepted: 09 Dec 2025.
Copyright: © 2025 Xiao-chao, Dian, Jingnan, Zhihua and Dong-dong. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: LI Dong-dong
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