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A Design Live Load Model for Long-Span Bridges Based on Traffic Data and Simulations
Publisher: ASCE
Abstract: Current design codes for long-span bridges rely on the conservative live load models developed based on the assumed severe traffic congestion scenarios. To properly consider the site-specific traffic environment in designs ...
Normalized Resilient Modulus Model for Subbase and Subgrade Based on Stress-Dependent Modulus Degradation
Publisher: American Society of Civil Engineers
Abstract: The flexible pavement system consists of layered structures. Each layer is composed of different materials and represents different response to loading. Successful pavement design, therefore, requires proper evaluation of ...
Time-Dependent Reliability Assessment and Updating of Post-tensioned Concrete Box Girder Bridges Considering Traffic Environment and Corrosion
Publisher: ASCE
Abstract: In the reliability assessment of a bridge in operation with regards to its ultimate limit state, it should be noted that the strengths of members and effects of traffic load vary continuously over its lifespan due to the ...