Role of uncertainties in the lifetime performance of concrete structures

机译：不确定性在混凝土结构使用寿命中的作用

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A general approach to the probabilistic nonlinear and limit analysis of framed structures in aggressive environments is used to investigate the role of the uncertainty effects associated with different parameters defining the time-variant performance of concrete structures. Based on suitable time-dependent sensitivity analysis the results of the probabilistic analysis shows that the relative importance of the uncertainty effects associated with each random variable may significantly vary during time due to the various sources of structural damage which may strongly affect the structural reliability.

机译：在侵略性环境中对框架结构进行概率非线性和极限分析的一种通用方法用于研究不确定性效应的作用，该不确定性效应与定义混凝土结构时变性能的不同参数有关。基于适当的随时间变化的敏感性分析，概率分析的结果表明，由于各种结构破坏源（可能会严重影响结构可靠性），与每个随机变量相关的不确定性影响的相对重要性在一段时间内可能会发生显着变化。

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《Reliability and optimization of structural systems: Assessment, design and life-cycle performance》|2006年|63-71|共9页
会议地点 Kobe(JP)
作者
Fabio Biondini; Dan M. Frangopol;
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作者单位

Department of Structural Engineering, Politecnico di Milano, Milan, Italy;

Department of Civil and Environmental Engineering, ATLSS Research Center, Lehigh University, Bethlehem, Pennsylvania, USA;

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2. Probabilistic and predictive performance-based approach for assessing reinforced concrete structures lifetime: The applet project [J] . C. Cremona, L. Adélaide, Y. Berthaud, EPJ Web of Conferences . 2011,第5期

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3. Sensitivity of uncertainties in performance prediction of deteriorating concrete structures [J] . M. IMRAN RAFIQ, TOULA ONOUFRIOU, MARIOS CHRYSSANTHOPOULOS Structure and Infrastructure Engineering . 2006,第2期

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4. Role of uncertainties in the lifetime performance of concrete structures [C] . IFIP WG 7.5 working conference on reliability and optimization of structural systems . 2007

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5. Lifetime Performance Prediction of Reinforced Concrete Structures in Multi-Threat Areas. [D] . Cui, Zhen. 2017

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6. Long-Term Concrete Shrinkage Influence on the Performance of Reinforced Concrete Structures [O] . Alinda Dey, Akshay Vijay Vastrad, Mattia Francesco Bado, 2021

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7. Probabilistic and predictive performance-based approach for assessing reinforced concrete structures lifetime: The applet project [O] . C. Cremona, L. Adélaide, Y. Berthaud, 2011

机译：基于概率和预测性能的评估钢筋混凝土结构寿命的方法：小程序项目

Role of uncertainties in the lifetime performance of concrete structures

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