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RISCable-Stayed Bridges: Case Study for Ambient Vibration-Based Cable Tension Estimation
Publisher: American Society of Civil Engineers
Abstract: A cable-stayed bridge recently constructed by the Ohio Department of Transportation incorporates measures put forth by a Federal Highway Administration study to mitigate stay motion. In following recent trends, the stays ...
Control-Oriented Modeling of Distributed Parameter Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper the use of linear, time-invariant, distributed parameter systems (LTI-DPS) as models of physical processes is considered from a control viewpoint. Specifically, recent theoretical ...
Automated Ice Inference and Monitoring on the Veterans’ Glass City Skyway Bridge
Publisher: American Society of Civil Engineers
Abstract: Under certain weather conditions, the Veterans’ Glass City Skyway (VGCS) Bridge in Toledo, Ohio, accumulates ice on the stay sheaths in such a way that has led to large fragments falling into traffic lanes. To aid the Ohio ...
A Case Study on Multilane Roundabout Capacity Evaluation Using Computer Vision and Deep Learning
Publisher: ASCE
Abstract: Modern roundabouts are popular intersection control designs in many countries and are increasingly popular in the United States. Roundabouts facilitate reduced vehicle delays with naturally optimized conflict resolution ...
Stay Cable Tension Estimation of Cable-Stayed Bridges Using Genetic Algorithm and Particle Swarm Optimization
Publisher: American Society of Civil Engineers
Abstract: This study presents a methodology for estimating stay cable tensions of cable-stayed bridges using genetic algorithm (GA) and particle swarm optimization (PSO). At first, a comprehensive cable model was used to represent ...
Use of Construction Stages to Review a Bridge Finite-Element Model
Publisher: American Society of Civil Engineers
Abstract: The Veterans’ Glass City Skyway (VGCS) is a posttensioned concrete segmental cable-stayed bridge in Toledo, Ohio. The baseline analytical model of the bridge was reviewed using the measured response to construction loads ...
Performance Comparison of Four Fiber-Reinforced Polymer Deck Panels
Publisher: American Society of Civil Engineers
Abstract: In an effort to assess the constructability and performance of bridges with fiber-reinforced polymer (FRP) composite decks, the short-term and long-term responses of a 207 m, five-span bridge retrofitted with four different ...
Modal Contribution Coefficients in Bridge Condition Evaluation
Publisher: American Society of Civil Engineers
Abstract: Impact modal testing combined with finite element (FE) analyses is currently being used to evaluate the condition of steel bridges in the state of Ohio. Using modal testing techniques, it is relatively easy to measure the ...
Development of Static-Response-Based Objective Functions for Finite-Element Modeling of Bridges
Publisher: American Society of Civil Engineers
Abstract: The basic mechanisms and procedures of finite-element (FE) modeling and calibration are briefly presented in the context of bridge condition assessment. Different physical parameters of FE models are adjusted to simulate ...
Development of Dynamic-Response-Based Objective Functions for Finite-Element Modeling of Bridges
Publisher: American Society of Civil Engineers
Abstract: The basic mechanism and procedures of finite-element (FE) bridge modeling and calibration are briefly presented. Different physical parameters of FE models are adjusted during the calibration process. Dynamic-response-based ...