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    Lateral Cyclic Response of Bridge Columns Reinforced with CSA G30.18 500W High-Strength Steel

    Source: Journal of Bridge Engineering:;2025:;Volume ( 030 ):;issue: 003::page 04025001-1
    Author:
    Sisay Tadele
    ,
    Saif Aldabagh
    ,
    Jhordy Rodríguez
    ,
    M. Shahria Alam
    DOI: 10.1061/JBENF2.BEENG-6698
    Publisher: American Society of Civil Engineers
    Abstract: RC structures that are expected to experience significant inelastic deformation require reinforcing steel bars that can endure substantial plastic displacements. Bridge columns’ longitudinal reinforcing rebars have shown buckling, followed by fatigue fracture, especially on the tension side of the RC members. The current research presents the results of an experimental investigation conducted on the seismic performance assessment of two circular RC bridge columns with varying aspect ratios, both reinforced with CSA G30.18 500W. The seismic performance of the bridge columns is evaluated by comparing the hysteresis response, dissipated energy, drift, and ductility measurements against those of columns reinforced with regular-strength steel. A parametric numerical study is also conducted to understand the effect of reinforcement grade, axial load ratio, and aspect ratio on the seismic response of RC bridge piers. The results show that CSA G30.18 500W exhibits acceptable performance where ultimate drifts of 6.35% and 7.3% were achieved for aspect ratios of 3 and 6, respectively.
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      Lateral Cyclic Response of Bridge Columns Reinforced with CSA G30.18 500W High-Strength Steel

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4304860
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    contributor authorSisay Tadele
    contributor authorSaif Aldabagh
    contributor authorJhordy Rodríguez
    contributor authorM. Shahria Alam
    date accessioned2025-04-20T10:30:36Z
    date available2025-04-20T10:30:36Z
    date copyright1/8/2025 12:00:00 AM
    date issued2025
    identifier otherJBENF2.BEENG-6698.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304860
    description abstractRC structures that are expected to experience significant inelastic deformation require reinforcing steel bars that can endure substantial plastic displacements. Bridge columns’ longitudinal reinforcing rebars have shown buckling, followed by fatigue fracture, especially on the tension side of the RC members. The current research presents the results of an experimental investigation conducted on the seismic performance assessment of two circular RC bridge columns with varying aspect ratios, both reinforced with CSA G30.18 500W. The seismic performance of the bridge columns is evaluated by comparing the hysteresis response, dissipated energy, drift, and ductility measurements against those of columns reinforced with regular-strength steel. A parametric numerical study is also conducted to understand the effect of reinforcement grade, axial load ratio, and aspect ratio on the seismic response of RC bridge piers. The results show that CSA G30.18 500W exhibits acceptable performance where ultimate drifts of 6.35% and 7.3% were achieved for aspect ratios of 3 and 6, respectively.
    publisherAmerican Society of Civil Engineers
    titleLateral Cyclic Response of Bridge Columns Reinforced with CSA G30.18 500W High-Strength Steel
    typeJournal Article
    journal volume30
    journal issue3
    journal titleJournal of Bridge Engineering
    identifier doi10.1061/JBENF2.BEENG-6698
    journal fristpage04025001-1
    journal lastpage04025001-12
    page12
    treeJournal of Bridge Engineering:;2025:;Volume ( 030 ):;issue: 003
    contenttypeFulltext
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