Improved transfer coefficient method for landslide stability evaluation based on reservoir bank slope characteristics

Peidong SU; Lei YAN; Peng QIU; Yu LIANG; Yiling WANG

doi:10.16031/j.cnki.issn.1003-8035.202111034

Volume 34 Issue 1

Feb. 2023

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The Chinese Journal of Geological Hazard and Control > 2023 > 34(1): 40-48. > DOI: 10.16031/j.cnki.issn.1003-8035.202111034

SU Peidong，YAN Lei，QIU Peng，et al. Improved transfer coefficient method for landslide stability evaluation based on reservoir bank slope characteristics[J]. The Chinese Journal of Geological Hazard and Control，2023，34(1): 40-48. DOI: 10.16031/j.cnki.issn.1003-8035.202111034

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Improved transfer coefficient method for landslide stability evaluation based on reservoir bank slope characteristics

1.
School of Geoscience and Technology, Southwest Petroleum University, Chengdu, Sichuan　610500, China
2.
Chengdu Engineering Corporation Limited, Power China, Chengdu ，Sichuan　611130, China

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Received Date: November 24, 2021
Revised Date: February 22, 2022
Available Online: October 25, 2022

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Abstract

Abstract

With the implementation of low-carbon energy, the construction of a large number of hydropower stations has caused a large number of reservoir bank landslides. Reservoir bank landslides are significantly different from ordinary landslides, but in the process of actual engineering stability calculations, engineers still confuse the two and use the same ideas and methods for research. In order to better control the reservoir bank slope instability, according to the characteristics of the reservoir bank slope, and long-term field geological survey and indoor literature research, this paper puts forward the principle of reservoir bank slope zoning according to the structural surface characteristics, slope position and landslide material composition. According to the characteristics of reservoir bank landslide, the stability calculation formulas of traction landslide is derived in three cases: the traction section has thrust + the trailing edge tensile fracture surface has shear force, the traction section does not have thrust + the trailing edge tensile fracture surface has shear force, and the traction section does not have thrust + the trailing edge tensile fracture surface has no shear force. Combined with engineering examples, the improved transfer coefficient method for landslide stability evaluation based on reservoir bank slope characteristics is verified.
- reservoir bank landslide,
- partition principle,
- calculation method,
- retrogressive landslide

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Improved transfer coefficient method for landslide stability evaluation based on reservoir bank slope characteristics

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