From theory to practice: force-energy equilibrium analysis for assessing failure extension lengths in excavation-induced translational landslides

IF 4.2 2区工程技术 Q3 ENGINEERING, ENVIRONMENTAL Bulletin of Engineering Geology and the Environment Pub Date : 2025-01-29 DOI:10.1007/s10064-025-04092-7

Liang Yang, Yang Wang, Thomas Glade, Jizhixian Liu

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Abstract

This study presents an innovative application of force-energy equilibrium analysis to evaluate failure extension lengths (FEL) in excavation-induced translational landslides. Utilizing a combination of field data, mechanical balance analysis, and numerical simulations, we systematically investigate the effect of excavation on landslide dynamics. Our approach incorporates the existing energy balance framework and extends its application to excavation-induced translational landslides characterized by weak interlayer. The methodology focuses on capturing the intricate interplay between unloading forces, shear displacement, stress, and strain across various stages of landslide development. A case study of the Tongzilin landslide in Yanshan Township serves as a practical example, underpinning the validation of our theoretical model with real-world data. The proposed methodology provides a valuable reference for the prevention and management of excavation-induced translational landslides.

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从理论到实践：评估开挖诱发平移滑坡破坏延伸长度的力能平衡分析

本研究提出了一种力能平衡分析的创新应用，用于评估开挖诱发的平移滑坡的破坏延伸长度。利用现场数据、力学平衡分析和数值模拟相结合的方法，系统地研究了开挖对滑坡动力学的影响。我们的方法结合了现有的能量平衡框架，并将其应用扩展到以弱夹层为特征的开挖诱发平移滑坡。该方法侧重于在滑坡发展的各个阶段捕捉卸载力、剪切位移、应力和应变之间复杂的相互作用。以燕山镇铜子林滑坡为例，验证了理论模型与实际数据的一致性。该方法为开挖平移滑坡的预防和管理提供了有价值的参考。

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来源期刊

Bulletin of Engineering Geology and the Environment 工程技术-地球科学综合

CiteScore

7.10

自引率

11.90%

发文量

445

审稿时长

4.1 months

期刊介绍： Engineering geology is defined in the statutes of the IAEG as the science devoted to the investigation, study and solution of engineering and environmental problems which may arise as the result of the interaction between geology and the works or activities of man, as well as of the prediction of and development of measures for the prevention or remediation of geological hazards. Engineering geology embraces: • the applications/implications of the geomorphology, structural geology, and hydrogeological conditions of geological formations; • the characterisation of the mineralogical, physico-geomechanical, chemical and hydraulic properties of all earth materials involved in construction, resource recovery and environmental change; • the assessment of the mechanical and hydrological behaviour of soil and rock masses; • the prediction of changes to the above properties with time; • the determination of the parameters to be considered in the stability analysis of engineering works and earth masses.