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    Element Failure Risk Assessment of Soil Slope

    Source: International Journal of Geomechanics:;2023:;Volume ( 023 ):;issue: 009::page 04023145-1
    Author:
    Pu Peng
    ,
    Ze Li
    ,
    Xiaoyan Zhang
    ,
    Yakun Guo
    ,
    Yigong Zhao
    DOI: 10.1061/IJGNAI.GMENG-8514
    Publisher: ASCE
    Abstract: Two traditional methods when calculating slope failure risk (R) are the rigid body limit equilibrium (LEM) and finite-element methods (FEM). However, the LEM requires the previous assumption of the location and shape of the sliding surface; and the FEM needs to carry out postprocessing to estimate the slope sliding surfaces. This paper proposed an element failure risk method (EFR) to calculate R based on plastic limit analysis. The proposed method did not require any assumptions about the failure modes. The safety factors and velocity fields were first computed based on the stochastic programming model that used random soil shear strength parameters. The failure of the elements and R was evaluated and calculated. An efficient upper bound method (UBM) parallel computation was programmed based on Python, which enhanced computational efficiency. Two classic cases were conducted to validate the proposed method. The results showed that the proposed method could accurately calculate the probability and R. This broadened the applications of the EFR method in the risk assessment of slope stability.
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      Element Failure Risk Assessment of Soil Slope

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4294145
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    • International Journal of Geomechanics

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    contributor authorPu Peng
    contributor authorZe Li
    contributor authorXiaoyan Zhang
    contributor authorYakun Guo
    contributor authorYigong Zhao
    date accessioned2023-11-28T00:16:19Z
    date available2023-11-28T00:16:19Z
    date issued9/1/2023 12:00:00 AM
    date issued2023-09-01
    identifier otherIJGNAI.GMENG-8514.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4294145
    description abstractTwo traditional methods when calculating slope failure risk (R) are the rigid body limit equilibrium (LEM) and finite-element methods (FEM). However, the LEM requires the previous assumption of the location and shape of the sliding surface; and the FEM needs to carry out postprocessing to estimate the slope sliding surfaces. This paper proposed an element failure risk method (EFR) to calculate R based on plastic limit analysis. The proposed method did not require any assumptions about the failure modes. The safety factors and velocity fields were first computed based on the stochastic programming model that used random soil shear strength parameters. The failure of the elements and R was evaluated and calculated. An efficient upper bound method (UBM) parallel computation was programmed based on Python, which enhanced computational efficiency. Two classic cases were conducted to validate the proposed method. The results showed that the proposed method could accurately calculate the probability and R. This broadened the applications of the EFR method in the risk assessment of slope stability.
    publisherASCE
    titleElement Failure Risk Assessment of Soil Slope
    typeJournal Article
    journal volume23
    journal issue9
    journal titleInternational Journal of Geomechanics
    identifier doi10.1061/IJGNAI.GMENG-8514
    journal fristpage04023145-1
    journal lastpage04023145-15
    page15
    treeInternational Journal of Geomechanics:;2023:;Volume ( 023 ):;issue: 009
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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