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RISA Dynamic Vehicle-Track Interaction Model for Predicting the Track Degradation Process
Publisher: American Society of Civil Engineers
Abstract: Due to the repeated passage of trains, differential settlements are observed in the vertical direction of the railway tracks. These settlements depend on the platform quality, on the train speed, on the dynamic load, and ...
Integer Programming to Optimize Tamping in Railway Tracks as Preventive Maintenance
Publisher: American Society of Civil Engineers
Abstract: In the area with railway engineering, scheduling preventive maintenance actions is an important issue for engineers and railway administrations because the optimization of maintenance actions at a preventive level allows ...
Analysis of Traffic-Induced Vibrations in a Cable-Stayed Bridge. Part I: Experimental Assessment
Publisher: American Society of Civil Engineers
Abstract: This paper characterizes the experimental approach used for the evaluation of traffic-induced dynamic effects in Salgueiro Maia cable-stayed bridge. It presents the most significant results obtained both in terms of the ...
Dynamic Analysis of Metallic Arch Railway Bridge
Publisher: American Society of Civil Engineers
Abstract: This work describes some of the most interesting aspects of the experimental and numerical dynamic analyses of the Luiz I Bridge, an old arch double-deck iron bridge, when subjected to the moving loads of the new light ...
Analysis of Traffic-Induced Vibrations in a Cable-Stayed Bridge. Part II: Numerical Modeling and Stochastic Simulation
Publisher: American Society of Civil Engineers
Abstract: This paper describes the development of a numerical model to simulate the dynamic response of the bridge–vehicle system of Salgueiro Maia cable-stayed bridge, using the results from an extensive experimental investigation ...
Push-Off Tests in the Study of Cyclic Behavior of Interfaces between Concretes Cast at Different Times
Publisher: American Society of Civil Engineers
Abstract: The knowledge about the cyclic behavior and effects of fatigue on interfaces between concrete cast at different times, subjected to shear stress, is still very limited. This aspect is particularly relevant in structures ...
Push-Off Tests in the Study of Cyclic Behavior of Interfaces between Concretes Cast at Different Times
Publisher: American Society of Civil Engineers
Abstract: The knowledge about the cyclic behavior and effects of fatigue on interfaces between concrete cast at different times, subjected to shear stress, is still very limited. This aspect is particularly relevant in structures ...
New Methodology for Calculation of Required Prestressing Levels in Continuous Precast Bridge Decks
Publisher: American Society of Civil Engineers
Abstract: The calculation of minimum required prestressing levels in prestressed bridge deck girders is usually governed by serviceability requirements in terms of allowable stress levels. In the case of continuous structures, ...
Influence of the Double Composite Action Solution in the Behavior of a High-Speed Railway Viaduct
Publisher: ASCE
Abstract: This paper addresses the dynamic behavior of the La Scarpe viaduct, which consists of a continuous nine-span steel–concrete composite bridge belonging to the French HSR line TGV Nord. The main objective of the paper is to ...
Fatigue Assessment of Critical Connections in a Historic Eyebar Suspension Bridge
Publisher: American Society of Civil Engineers
Abstract: The Hercílio Luz Bridge is an eyebar suspension bridge with a riveted girder built in 1926 in Brazil, in which severe fatigue damage was found after years of service. To provide guidance for rehabilitation of the bridge, ...