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Double Strength Reduction Method for Carbonaceous Rock Slope Considering Influence of Disintegration Degree
To investigate the folding-down mechanism of the shear strength parameters under the disintegration of carbonaceous rock slopes, carbonaceous rock shear strength tests under different disintegration times were conducted, and the principle of carbonaceous rock disintegration was elucidated through microscopic analysis. The reduced relationship between c and φ was derived with consideration to the degree of disintegration, and an early warning displacement inflection point method considering the maximum slope displacement and plastic shear strain is proposed as the slope instability criterion. Numerical examples demonstrate that the proposed method fully considers the attenuation law of the strength parameters of carbonaceous rocks in the calculation, and effectively solves the difficult problem of determining the reduction relationship using the double reduction coefficient method.
Double Strength Reduction Method for Carbonaceous Rock Slope Considering Influence of Disintegration Degree
To investigate the folding-down mechanism of the shear strength parameters under the disintegration of carbonaceous rock slopes, carbonaceous rock shear strength tests under different disintegration times were conducted, and the principle of carbonaceous rock disintegration was elucidated through microscopic analysis. The reduced relationship between c and φ was derived with consideration to the degree of disintegration, and an early warning displacement inflection point method considering the maximum slope displacement and plastic shear strain is proposed as the slope instability criterion. Numerical examples demonstrate that the proposed method fully considers the attenuation law of the strength parameters of carbonaceous rocks in the calculation, and effectively solves the difficult problem of determining the reduction relationship using the double reduction coefficient method.
Double Strength Reduction Method for Carbonaceous Rock Slope Considering Influence of Disintegration Degree
Soil Mech Found Eng
Li, Zhao (author) / Mo, Peng (author) / Luo, Junhui (author) / Wang, Shihai (author) / Chang, Zhenchao (author) / Huang, Haifeng (author)
Soil Mechanics and Foundation Engineering ; 61 ; 198-204
2024-07-01
7 pages
Article (Journal)
Electronic Resource
English
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