• Title/Summary/Keyword: 부천고가교

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Thermal-Structure Interaction Parallel Fire Analysis for Steel-Concrete Composite Structures under Bridge Exposed to Fire Loading (화재에 노출된 교량하부 강합성 구조물에 대한 열-구조 연성 병렬화재해석)

  • Yun, Sung-Hwan;Gil, Heungbae;Lee, Ilkeun;Kim, Wooseok;Park, Taehyo
    • Journal of the Computational Structural Engineering Institute of Korea
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    • v.26 no.4
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    • pp.283-292
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    • 2013
  • The objective of this research is to evaluate of global and local damage for steel-concrete composite structures under highway bridge exposed to fire loading. To enhance the accuracy and efficiency of the numerical analysis, the proposed transient nonlinear thermal structure interaction(TSI) parallel fire analysis method is implemented in ANSYS. To validate the TSI parallel fire analysis method, a comparison is made with the standard fire test results. The proposed TSI parallel fire analysis method is applied to fire damage analysis and performance evaluation for Buchen highway bridge. The result of analysis, temperature of low flange and web are exceed the critical temperature. The deflection and deformation state show good agreement with the fire accident of buchen highway bridge.

Fire Damage Assessment for Steel-Concrete Composite and PSC Bridge Superstructures Using Heat Flow Analysis (열유동 해석을 이용한 강합성 및 PSC 교량 상부구조의 화재손상평가)

  • Park, Yang Heum;Yun, Sung-Hwan;Jang, Il Young
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.41 no.2
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    • pp.93-100
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    • 2021
  • The objective of this research is to evaluate of fire damage for steel-concrete composite bridge superstructure and PSC bridge superstructure under highway bridge exposed to fire loading. To enhance the accuracy and efficiency of the numerical analysis, the proposed heat flow fire analysis method is implemented in ANSYS. The proposed heat flow analysis method is applied to fire damage analysis and performance evaluation for Buchen and Yangsan highway bridge. The result of analysis, temperature of concrete slab and lower flange of steel-concrete composite bridge superstructure are exceed the critical temperature. Also, temperature of slab, lower and upper flange, web of PSC bridge superstructure are exceed the critical temperature. However, the major component, tendon, did not exceed the critical temperature.