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Coupled Field Monitoring and Structural Analysis to Assess Scour Conditions
Publisher: American Society of Civil Engineers
Abstract: This paper reports on the implementation of a relatively novel scour monitoring system that includes the ability to record substructure response to potential changes in scour conditions. The substructure instrumentation ...
Innovations in Steel Design: Research Needs for Global Sustainability
Publisher: American Society of Civil Engineers
Rotation Requirements for Moment Redistribution in Steel Bridge I-Girders
Publisher: American Society of Civil Engineers
Abstract: One of the key assumptions in inelastic design is that members have adequate ductility to allow moments to redistribute. However, while AASHTO specifications contain moment redistribution provisions for steel I-girders, ...
Moment-Rotation Response of Slender Steel I-Girders
Publisher: American Society of Civil Engineers
Abstract: While it is well known that slender girders have less ductility than their compact counterparts, this reduction has not been explicitly quantified. This results in limitations on the use of slender girders, and consequently, ...
Performance of Uncoated Weathering Steel Bridge Inventories: Methodology and Gulf Coast Region Evaluation
Publisher: American Society of Civil Engineers
Abstract: Although the majority of uncoated weathering steel (UWS) structures are performing well when designed and maintained in accordance with existing recommendations, exceptions to this trend exist. Additionally, the guidance ...
Rotation Compatibility Approach to Moment Redistribution for Design and Rating of Steel I-Girder Bridges
Publisher: American Society of Civil Engineers
Abstract: Recent research has culminated in the development of moment redistribution design and rating procedures based on a “rotation compatibility” procedure. The key aspects of the rotation compatibility method are presented ...
Field Evaluation of Cross-Frame and Girder Live-Load Response in Skewed Steel I-Girder Bridges
Publisher: American Society of Civil Engineers
Abstract: A better understanding of the relationships among girder stresses, cross-frame design, and skew angle of two steel I-girder bridges, which have moderate and high levels of skew and differing cross-frame designs, was revealed ...