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RISProbabilistic Life Prediction for Reinforced Concrete Structures Subjected to Seasonal Corrosion-Fatigue Damage
Publisher: ASCE
Abstract: The coupled effect of corrosion and fatigue deteriorates the performance of reinforced concrete (RC) structures. This paper proposes a novel framework for the probabilistic life prediction of aging RC structures under ...
Equivalent Plane Algorithm for Static Analysis of Cable-Stayed Bridge with Spatial Cables
Publisher: ASCE
Abstract: This paper proposes an equivalent plane algorithm of spatial stay cables using spatial rigid arms and the stay cable corotational coordinate system. The equivalent equations for the cable displacements and force elements ...
Predicting Corrosion Fatigue Crack Propagation Behavior of HRB400 Steel Bars in Simulated Corrosive Environments
Publisher: ASCE
Abstract: This paper systematically performed fatigue crack propagation (FCP) tests to investigate the corrosion fatigue crack propagation (CFCP) behavior of HRB400 steel bar. The fatigue loading scheme involved the constant amplitude ...
Modeling Constitutive Relationship of Steel Bar Removed from Corroded PC Beams after Fatigue Considering Spatial Location Effect
Publisher: ASCE
Abstract: Fatigue changes the mechanical behavior of reinforcing bars, significantly reducing the performance of aging concrete structures. This study performed a fatigue loading test on post-tensioned prestressed concrete (PC) beams ...
Fractographic Analysis and Particle Filter-Based Fatigue Crack Propagation Prediction of Q550E High-Strength Steel
Publisher: ASCE
Abstract: Fatigue damage has become one of the key issues affecting the service safety of steel bridges with the continuous increase of vehicle load and traffic volume. In this paper, fatigue crack growth (FCG) tests were performed ...
Closure to “Bridge Remaining Strength Prediction Integrated with Bayesian Network and In Situ Load Testing” by Yafei Ma, Lei Wang, Jianren Zhang, Yibing Xiang, and Yongming Liu
Publisher: American Society of Civil Engineers
Comparative Study of Flexural Behavior of Corroded Beams with Different Types of Steel Bars
Publisher: American Society of Civil Engineers
Abstract: An experimental study is proposed to compare the corrosion-induced flexural behavior deterioration of beams with various bar types and bar diameters. The proposed study aims to distinguish the effects of the corrosion of ...
Uncertainty Quantification and Structural Reliability Estimation Considering Inspection Data Scarcity
Publisher: American Society of Civil Engineers
Abstract: Reliability estimation of aging RC structures under environmental attack involves various sources of uncertainties. In realistic operational conditions, uncertainties due to limited number of experimental data and incomplete ...
Crack Propagation-Based Fatigue Life Prediction of Corroded RC Beams Considering Bond Degradation
Publisher: ASCE
Abstract: Corrosion increases the nominal stress of reinforcing bars and accelerates the fatigue crack propagation. The stress redistribution induced by bond degradation between concrete and rebars makes the fatigue life prediction ...
Hybrid Uncertainty Quantification for Probabilistic Corrosion Damage Prediction for Aging RC Bridges
Publisher: American Society of Civil Engineers
Abstract: A systematic framework is proposed to quantify hybrid uncertainties (i.e., aleatory and epistemic uncertainty) for the probabilistic prediction of corrosion damage in aging reinforced concrete (RC) bridges when the initial ...