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    Use of 3D Finite-Element Models for Predicting Intermediate Damage Limit States in RC Bridge Columns

    Source: Journal of Structural Engineering:;2015:;Volume ( 141 ):;issue: 010
    Author:
    Ata Babazadeh
    ,
    Rigoberto Burgueño
    ,
    Pedro F. Silva
    DOI: 10.1061/(ASCE)ST.1943-541X.0001253
    Publisher: American Society of Civil Engineers
    Abstract: In this paper, three-dimensional (3D) continuum-based finite-element (FE) simulations are implemented for estimating intermediate damage limit states in flexure-dominated ductile reinforced concrete (RC) bridge columns. Results from the 3D FE simulations were compared and validated against the experimental data from four large-scale tests. Statistical error measures and test analysis correlation metrics were utilized to quantitatively evaluate the accuracy of the models. The validated models were then applied to determine the intermediate damage limit states based on the simulation results. Onset of yielding was associated with the tensile strains on the extreme reinforcement, and compressive strains on the outer concrete surface elements were used to identify the initiation and significant growth of spalling of the cover concrete. The results show that the 3D FE simulations were efficient in predicting intermediate damage limit states in a consistent manner with the experimental observations extracted from the actual tested columns.
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      Use of 3D Finite-Element Models for Predicting Intermediate Damage Limit States in RC Bridge Columns

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    • Journal of Structural Engineering

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    contributor authorAta Babazadeh
    contributor authorRigoberto Burgueño
    contributor authorPedro F. Silva
    date accessioned2017-05-08T22:10:55Z
    date available2017-05-08T22:10:55Z
    date copyrightOctober 2015
    date issued2015
    identifier other37416898.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/72968
    description abstractIn this paper, three-dimensional (3D) continuum-based finite-element (FE) simulations are implemented for estimating intermediate damage limit states in flexure-dominated ductile reinforced concrete (RC) bridge columns. Results from the 3D FE simulations were compared and validated against the experimental data from four large-scale tests. Statistical error measures and test analysis correlation metrics were utilized to quantitatively evaluate the accuracy of the models. The validated models were then applied to determine the intermediate damage limit states based on the simulation results. Onset of yielding was associated with the tensile strains on the extreme reinforcement, and compressive strains on the outer concrete surface elements were used to identify the initiation and significant growth of spalling of the cover concrete. The results show that the 3D FE simulations were efficient in predicting intermediate damage limit states in a consistent manner with the experimental observations extracted from the actual tested columns.
    publisherAmerican Society of Civil Engineers
    titleUse of 3D Finite-Element Models for Predicting Intermediate Damage Limit States in RC Bridge Columns
    typeJournal Paper
    journal volume141
    journal issue10
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0001253
    treeJournal of Structural Engineering:;2015:;Volume ( 141 ):;issue: 010
    contenttypeFulltext
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