Redundancy evaluation of integral bridges under lateral loads and effect of FRP reinforcement on system behavior

机译：横向荷载下整体式桥梁的冗余评估以及FRP加固对系统性能的影响

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A numerical method based on [1] is used to evaluate structural redundancy of an integral bridgernunder lateral loads. The paper compares the results obtained from a probabilistic approach to thosernof a simplified deterministic analysis. These methods require the implementation of a non-linearrnstatic analysis by means of a 3D spatial frame model. System capacity is evaluated in its originalrnconfiguration, in a deteriorated configuration due to corrosion of the rebar steel in the columns, andrnin a strengthened situation in witch the deteriorated columns are wrapped with FRP obtaining arnconfinement effect. The variation of redundancy is monitored along the life-steps of the examplernstructure.

机译：基于[1]的数值方法被用来评估整体桥梁在侧向荷载作用下的结构冗余度。本文将通过概率方法获得的结果与简化的确定性分析进行了比较。这些方法需要借助3D空间框架模型实施非线性静态分析。系统容量是在其原始配置下进行评估的，在这种配置下是由于柱中钢筋的腐蚀所致，在退化的配置下，并且在加固情况下，退化的色谱柱被FRP包裹，从而获得了限制作用。沿着示例结构的生命周期监视冗余的变化。

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来源
《Innovative infrastructures - toward human urbanism : Report》|2012年|1-8|共8页
会议地点 Seoul(KR)
作者
Giorgio ANITORI; Joan R. CASAS;
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作者单位

Technical university of Catalonia, Barcelona Spain. Giorgio.anitori@upc.edu;

Technical university of Catalonia, Barcelona Spain. Joan.ramon.casas@upc.edu;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
Redundancy; Robustness; Reliability; Rehabilitation; FRP strengthening; non-linear;

机译：冗余;稳健性;可靠性;修复性; FRP加固;非线性;

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3. Cyclic Load Tests on Precast Segmental Bridge Columns with Both Steel and Basalt FRP Reinforcement [J] . Cai Zhong-Kui, Wang Zhenyu, Yang Tony Y. Journal of Composites for Construction . 2019,第3期

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4. Redundancy evaluation of integral bridges under lateral loads and effect of FRP reinforcement on system behavior [C] . Giorgio ANITORI, Joan R. CASAS Innovative infrastructures-toward human urbanism . 2012

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5. Performance evaluation of FRP bridge deck under shear loads. [D] . Prachasaree, Woraphot. 2005

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6. Evaluation of FRP Confinement Models for Substandard Rectangular RC Columns Based on Full-Scale Reversed Cyclic Lateral Loading Tests in Strong and Weak Directions [O] . Hamid Farrokh Ghatte, Mustafa Comert, Cem Demir, 2016

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7. Evaluation of the Behavior of Flat Slab Systems Subjected to Lateral Loads [O] . Misin Misini, Ylli Pocesta, Zijadin Guri 2014

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8. Hybrid Fiber Reinforced Polymer (FRP) and Concrete Bridge Deck Systems. Final Report 2: Long Term Performance of Hybrid FRP-Concrete Bridge Deck System [R] . Aref, A. J., Warn, G. 2009

机译：混杂纤维增强聚合物（FRp）和混凝土桥面板系统。最终报告2：混合FRp-混凝土桥面板系统的长期性能

Redundancy evaluation of integral bridges under lateral loads and effect of FRP reinforcement on system behavior

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