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RISFinite-Element-Based Study on Girder Behavior and Load-Sharing of Shear-Connected Multigirder Prestressed Concrete Bridges
Publisher: ASCE
Abstract: This paper aimed to study the girder behavior and load sharing of multigirder prestressed concrete (PC) bridges using an efficient nonlinear analysis tool based on finite-element (FE) modeling. A newly developed nonlinear ...
Gaussian Process Regression–Based Model Error Diagnosis and Quantification Using Experimental Data of Prestressed Concrete Beams in Shear
Publisher: American Society of Civil Engineers
Abstract: To facilitate considering model uncertainty for rigorous reliability/probabilistic analysis, this paper proposed a Gaussian process regression–based (GPR-based) model error quantification framework and applied to shear ...
Experimental Investigation on the Residual Flexural Behavior of 28-Year-Old Decommissioned Prestressed Concrete Voided Slab Girders
Publisher: ASCE
Abstract: The residual flexural behavior of semilightweight prestressed concrete voided slab girders taken from a decommissioned 28-year-old bridge near Barrhead, Alberta, Canada was investigated. The residual flexural behaviors ...
Machine Learning–Based Hysteretic Lateral Force-Displacement Models of Reinforced Concrete Columns
Publisher: ASCE
Abstract: Hysteretic lateral force-displacement (HLFD) models are important for efficient structural analysis under cyclic loading (e.g., earthquakes). This paper proposes a novel machine learning (ML)-based HLFD model, referred ...