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    Slope Reliability Analysis Considering Site-Specific Performance Information

    Source: Journal of Geotechnical and Geoenvironmental Engineering:;2011:;Volume ( 137 ):;issue: 003
    Author:
    J. Zhang
    ,
    L. M. Zhang
    ,
    Wilson H. Tang
    DOI: 10.1061/(ASCE)GT.1943-5606.0000422
    Publisher: American Society of Civil Engineers
    Abstract: The performance of a slope, such as surviving a certain groundwater condition, can be viewed as the outcome of a full-scale test performed directly on the slope and may provide valuable information for safety assessment, upgrading analysis, and repair design of the slope. Performance information can be divided into two types: (1) the slope survived a certain state, and (2) the slope failed at a certain state. This paper illustrates two methods for slope reliability analysis considering site-specific performance information, i.e., an indirect method based on back-analysis of the performance information, and a direct method, in which the back-analysis procedure is bypassed. The two methods are theoretically the same but different in implementation details. As examples, an existing slope for safety assessment and a failed slope to be repaired are studied in this paper. Considering the past survival information increases the reliability of the slope. The increase in reliability is larger if the slope survives a more critical state. Thus, ignoring the survival information may result in uneconomical decisions. In contrast, ignoring the failure information may either underestimate or overestimate the reliability of a slope. As a result, neglecting the past failure information may lead to unsafe or uneconomical decisions.
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      Slope Reliability Analysis Considering Site-Specific Performance Information

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    http://yetl.yabesh.ir/yetl1/handle/yetl/62203
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    • Journal of Geotechnical and Geoenvironmental Engineering

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    contributor authorJ. Zhang
    contributor authorL. M. Zhang
    contributor authorWilson H. Tang
    date accessioned2017-05-08T21:47:03Z
    date available2017-05-08T21:47:03Z
    date copyrightMarch 2011
    date issued2011
    identifier other%28asce%29gt%2E1943-5606%2E0000439.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/62203
    description abstractThe performance of a slope, such as surviving a certain groundwater condition, can be viewed as the outcome of a full-scale test performed directly on the slope and may provide valuable information for safety assessment, upgrading analysis, and repair design of the slope. Performance information can be divided into two types: (1) the slope survived a certain state, and (2) the slope failed at a certain state. This paper illustrates two methods for slope reliability analysis considering site-specific performance information, i.e., an indirect method based on back-analysis of the performance information, and a direct method, in which the back-analysis procedure is bypassed. The two methods are theoretically the same but different in implementation details. As examples, an existing slope for safety assessment and a failed slope to be repaired are studied in this paper. Considering the past survival information increases the reliability of the slope. The increase in reliability is larger if the slope survives a more critical state. Thus, ignoring the survival information may result in uneconomical decisions. In contrast, ignoring the failure information may either underestimate or overestimate the reliability of a slope. As a result, neglecting the past failure information may lead to unsafe or uneconomical decisions.
    publisherAmerican Society of Civil Engineers
    titleSlope Reliability Analysis Considering Site-Specific Performance Information
    typeJournal Paper
    journal volume137
    journal issue3
    journal titleJournal of Geotechnical and Geoenvironmental Engineering
    identifier doi10.1061/(ASCE)GT.1943-5606.0000422
    treeJournal of Geotechnical and Geoenvironmental Engineering:;2011:;Volume ( 137 ):;issue: 003
    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
    yabeshDSpacePersian