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    Characterizing the Liquefaction Potential and Pore Pressure Generation of Silty Sands through the Energy-Based Approach in the Framework of Critical State Soil Mechanics

    Source: Journal of Geotechnical and Geoenvironmental Engineering:;2024:;Volume ( 150 ):;issue: 010::page 04024093-1
    Author:
    Xiao Wei
    ,
    Jun Yang
    ,
    Zhong-Xuan Yang
    DOI: 10.1061/JGGEFK.GTENG-11910
    Publisher: American Society of Civil Engineers
    Abstract: Evaluation of the liquefaction susceptibility of soils is one of the most important subjects in geotechnical earthquake engineering. The energy-based liquefaction evaluation procedure, with a focus on seismic energy propagation and dissipation in soils, has attracted increasing attention in recent years. This paper presents a systematic analysis of cyclic triaxial test data of three series of silty sands through the energy-based approach. The stress-normalized accumulative dissipated strain energy per unit volume required for triggering liquefaction is used to evaluate the liquefaction potential of sands. It is a function of void ratio, fines content, and sand type. The pore pressure generation with the stress-normalized accumulative dissipated energy per unit volume can be simulated by a one-parameter pore pressure model, and the model parameter is affected by void ratio, fines content, and sand type. Unified characterizations of the stress-normalized accumulative dissipated energy per unit volume required for liquefaction and the fitting parameter of the pore pressure model are proposed in the framework of critical state soil mechanics.
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      Characterizing the Liquefaction Potential and Pore Pressure Generation of Silty Sands through the Energy-Based Approach in the Framework of Critical State Soil Mechanics

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4298933
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    contributor authorXiao Wei
    contributor authorJun Yang
    contributor authorZhong-Xuan Yang
    date accessioned2024-12-24T10:26:41Z
    date available2024-12-24T10:26:41Z
    date copyright10/1/2024 12:00:00 AM
    date issued2024
    identifier otherJGGEFK.GTENG-11910.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4298933
    description abstractEvaluation of the liquefaction susceptibility of soils is one of the most important subjects in geotechnical earthquake engineering. The energy-based liquefaction evaluation procedure, with a focus on seismic energy propagation and dissipation in soils, has attracted increasing attention in recent years. This paper presents a systematic analysis of cyclic triaxial test data of three series of silty sands through the energy-based approach. The stress-normalized accumulative dissipated strain energy per unit volume required for triggering liquefaction is used to evaluate the liquefaction potential of sands. It is a function of void ratio, fines content, and sand type. The pore pressure generation with the stress-normalized accumulative dissipated energy per unit volume can be simulated by a one-parameter pore pressure model, and the model parameter is affected by void ratio, fines content, and sand type. Unified characterizations of the stress-normalized accumulative dissipated energy per unit volume required for liquefaction and the fitting parameter of the pore pressure model are proposed in the framework of critical state soil mechanics.
    publisherAmerican Society of Civil Engineers
    titleCharacterizing the Liquefaction Potential and Pore Pressure Generation of Silty Sands through the Energy-Based Approach in the Framework of Critical State Soil Mechanics
    typeJournal Article
    journal volume150
    journal issue10
    journal titleJournal of Geotechnical and Geoenvironmental Engineering
    identifier doi10.1061/JGGEFK.GTENG-11910
    journal fristpage04024093-1
    journal lastpage04024093-14
    page14
    treeJournal of Geotechnical and Geoenvironmental Engineering:;2024:;Volume ( 150 ):;issue: 010
    contenttypeFulltext
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