基于改进的 Morgenstern-Price 方法的水库滑坡推力研究

IF 4.1 2区地球科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY

Journal of Earth Science Pub Date : 2024-08-14 DOI:10.1007/s12583-021-1545-5

Xuan Wang, Xinli Hu, Chang Liu, Lifei Niu, Peng Xia, Jian Wang, Jiehao Zhang

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引用次数: 0

摘要

滑坡推力曲线在滑坡设计中起着关键作用。本文分析了常用的传递系数法（TCM）和摩根斯特恩-普莱斯法（MPM）。TCM 不考虑切片之间的力矩平衡。MPM 虽然考虑了力矩平衡，但计算复杂，而且没有考虑滑坡后缘切片间力可能小于零的情况。通过计算不同水库水位下的滑坡稳定系数和滑坡推力，验证了改进后的 MPM 的合理性和可行性。本文研究了水库水位变化时滑坡推力的变化规律，探讨了设计推力的确定，为水库滑坡设计提供了一定的理论依据。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Research on Reservoir Landslide Thrust Based on Improved Morgenstern-Price Method

The curve of landslide thrust plays a key role in landslide design. The commonly used transfer coefficient method (TCM) and Morgenstern-Price method (MPM) are analyzed. TCM does not take into account the moment balance between slices. Although MPM considers the moment balance, the calculation is complex, and it does not consider that the force between slices may be less than zero at the back edge of the landslide. The rationality and feasibility of the improved MPM are verified by calculating the landslide stability coefficient and landslide thrust at different reservoir water levels. This paper studies the law of landslide thrust when the reservoir water level changes, and discusses the determination of design thrust, to provide a certain theoretical basis for the design of reservoir landslides.

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来源期刊

Journal of Earth Science 地学-地球科学综合

CiteScore

5.50

自引率

12.10%

发文量

128

审稿时长

4.5 months

期刊介绍： Journal of Earth Science (previously known as Journal of China University of Geosciences), issued bimonthly through China University of Geosciences, covers all branches of geology and related technology in the exploration and utilization of earth resources. Founded in 1990 as the Journal of China University of Geosciences, this publication is expanding its breadth of coverage to an international scope. Coverage includes such topics as geology, petrology, mineralogy, ore deposit geology, tectonics, paleontology, stratigraphy, sedimentology, geochemistry, geophysics and environmental sciences. Articles published in recent issues include Tectonics in the Northwestern West Philippine Basin; Creep Damage Characteristics of Soft Rock under Disturbance Loads; Simplicial Indicator Kriging; Tephra Discovered in High Resolution Peat Sediment and Its Indication to Climatic Event. The journal offers discussion of new theories, methods and discoveries; reports on recent achievements in the geosciences; and timely reviews of selected subjects.