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Concrete Masonry Compressive Strength Prediction using Mechanics-based Modelling and Gaussian Process Regression with Error Evaluation based on Experimental Data
DownloadFall 2023
The compressive strength of masonry is an essential mechanical parameter considering its influence on structural design. Among different types of masonry, hollow concrete block masonry is the most commonly used one in North America. Over the past decades, various methods were developed to determine
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Development and Applications of Mechanics- and Data-based Capacity Models for Intact/Corroded Prestressed Concrete Bridge Girders
DownloadFall 2022
Prestressed concrete (PC) highway bridges represent an integral part of the transportation network and contribute significantly to socio-economic development. However, highway bridges are susceptible to Deterioration and thus exhibit structural deficiency after years of service, especially in the
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Development of Finite Element Modeling and Bayesian Parameter Estimation Strategies for Corroded RC Bridges towards Probabilistic Seismic Performance Assessment
DownloadFall 2022
Reinforced concrete (RC) structures, such as RC bridges, are designed to remain safe and functional for their lifetime, during which the impacts of aging may result in performance degradation. Steel bar corrosion is one of the most common causes of structural performance degradation in RC
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Finite Element-based Parametric and Probabilistic Analysis of Structural Deterioration in Corroded Pre-stressed Concrete Girders
DownloadFall 2020
environment are highly susceptible to various corrosion-induced deteriorations, which can in turn affect the structural behaviour of PC girders. Therefore, it is important to understand and quantify the corrosion effects on the flexural and shear behaviours of PC bridge girders. In parallel with the
then used to conduct comprehensive parametric studies for both flexural and shear critical girders, respectively, focusing on the corrosion effects on the structural behaviour (e.g., stiffness, residual strength). The deterioration features considered in the parametric studies include pre-stress loss
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Finite Element-based Stress Intensity Factor Estimation for Fatigue Crack Growth Simulation and Stochastic Filtering-based Fatigue Crack Growth Prediction of Pipelines
DownloadSpring 2022
Fatigue cracking is one of the major integrity threats to oil and gas pipelines. Having a reliable trajectory of fatigue crack growth once detected is very crucial for decision making regarding integrity threat management. In-line Inspection (ILI) tools, and other non-destructive methods are used...
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Fall 2023
the dent defect, is not only related to the indentation depth or the size of the indenter. Thus, the dent depth criterion used in the engineering practice can lead to inconsistent reliability levels in dented pipes. For the ductile strain damage limit state, The SLD and DFDI damage model-based POF