New Failure Mechanism for Evaluating the Inclined Failure Load Adjacent to Undrained Soil Slope

Hongwei Fang and Yixiang Xu ()
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Hongwei Fang: School of Geomatics and Prospecting Engineering, Jilin Jianzhu University, Changchun 130118, China
Yixiang Xu: School of Aerospace, UNNC-NFTZ Blockchain Laboratory, University of Nottingham Ningbo China, 199 Taikang East Road, Ningbo 315100, China

Sustainability, 2023, vol. 15, issue 3, 1-20

Abstract: The failure mechanism is the key problem for calculating the inclined failure loads adjacent to the undrained soil slope. Based on the undrained slip line field and boundary value problems, a new failure mechanism is proposed to evaluate the inclined failure loads adjacent the undrained slope. The rationality of the proposed method is proved by the definition of the ultimate load and the finite element upper bound analysis (FE-UB). It is not reasonable to assume the failure models since the failure models vary with the inclination load and angle. The proposed method gives a new evaluating indicator, which first calculates the inclined failure load and then determines the failure models.

Keywords: failure mechanism; undrained soil slope; inclined failure load; undrained slip line field; evaluating indicator (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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