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    Influence of Sand Content on Secondary Consolidation Characteristics of Sand–Fine Mixtures

    Source: International Journal of Geomechanics:;2024:;Volume ( 024 ):;issue: 005::page 04024049-1
    Author:
    Liucheng Chang
    ,
    Hongyu Wang
    ,
    Ya Wang
    ,
    Jing Cao
    DOI: 10.1061/IJGNAI.GMENG-9085
    Publisher: ASCE
    Abstract: In order to understand the influence of sand content on the secondary consolidation behavior of sand–fine mixtures, a series of one-dimensional creep tests were conducted. These tests used mixtures with sand contents of 0%, 16.67%, 28.57%, 50%, and 60% and were run for 3,000 min. As the sand content increases, the structure of the mixtures transitions from being fine-supported to sand-supported. This results in changes in the time at the end of primary consolidation (TEOP), the proportion of secondary consolidation deformation in the total deformation (PCT), and the coefficient of secondary consolidation. These parameters decrease before the sand content reaches 28.57% and increases after this point. The sand–fine mixtures with a sand content of 28.57% exhibit the minimum TEOP, PCT, and coefficient of secondary consolidation. When the sand content is less than 28.57%, bound water (especially weakly bound water) significantly impacts the secondary consolidation behavior of the sand–fine mixtures. However, when the sand content exceeds 28.57%, the secondary consolidation deformation of the mixtures is primarily governed by particle crushing in the sand grains.
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      Influence of Sand Content on Secondary Consolidation Characteristics of Sand–Fine Mixtures

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4297082
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    contributor authorLiucheng Chang
    contributor authorHongyu Wang
    contributor authorYa Wang
    contributor authorJing Cao
    date accessioned2024-04-27T22:36:56Z
    date available2024-04-27T22:36:56Z
    date issued2024/05/01
    identifier other10.1061-IJGNAI.GMENG-9085.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4297082
    description abstractIn order to understand the influence of sand content on the secondary consolidation behavior of sand–fine mixtures, a series of one-dimensional creep tests were conducted. These tests used mixtures with sand contents of 0%, 16.67%, 28.57%, 50%, and 60% and were run for 3,000 min. As the sand content increases, the structure of the mixtures transitions from being fine-supported to sand-supported. This results in changes in the time at the end of primary consolidation (TEOP), the proportion of secondary consolidation deformation in the total deformation (PCT), and the coefficient of secondary consolidation. These parameters decrease before the sand content reaches 28.57% and increases after this point. The sand–fine mixtures with a sand content of 28.57% exhibit the minimum TEOP, PCT, and coefficient of secondary consolidation. When the sand content is less than 28.57%, bound water (especially weakly bound water) significantly impacts the secondary consolidation behavior of the sand–fine mixtures. However, when the sand content exceeds 28.57%, the secondary consolidation deformation of the mixtures is primarily governed by particle crushing in the sand grains.
    publisherASCE
    titleInfluence of Sand Content on Secondary Consolidation Characteristics of Sand–Fine Mixtures
    typeJournal Article
    journal volume24
    journal issue5
    journal titleInternational Journal of Geomechanics
    identifier doi10.1061/IJGNAI.GMENG-9085
    journal fristpage04024049-1
    journal lastpage04024049-12
    page12
    treeInternational Journal of Geomechanics:;2024:;Volume ( 024 ):;issue: 005
    contenttypeFulltext
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