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RISFatigue Assessment of Steel-UHPC Lightweight Composite Deck Based on Multiscale FE Analysis: Case Study
Publisher: American Society of Civil Engineers
Abstract: A lightweight steel–ultrahigh performance concrete (UHPC) composite deck (LWCD) was developed for alleviating deterioration issues in orthotropic steel decks (OSDs). In recent years, the LWCD has been increasingly applied ...
Fatigue Design of Steel Bridges Considering the Effect of Dynamic Vehicle Loading and Overloaded Trucks
Publisher: American Society of Civil Engineers
Seismic Assessment of Medium-Span Concrete Cable-Stayed Bridges Using the Component and System Fragility Functions
Publisher: American Society of Civil Engineers
Abstract: Many studies have been conducted to investigate the seismic fragility of regular girder bridges, whereas only a few studies have focused on irregular cable-stayed bridges. In this study, the performance of a medium-span ...
Full-Scale Experimental Verification of UHPC-RC Composite Slab Culvert with a Clear Span of 8 m
Publisher: ASCE
Abstract: To enhance the structural performance and durability of a conventional reinforced concrete (RC) cover slab over a culvert as well as to improve its spanning ability, this paper presents a novel ultrahigh-performance concrete ...
Double-Tensioned Steel Strands Vertical Prestress System on the Webs of Long-Span PC Box-Girder Bridges
Publisher: ASCE
Abstract: Using low-retraction double-tensioned steel strands vertical prestress system (DTSSVPS) to replace finish rolled rebars (FRR) a vertical prestress system could effectively enhance the vertical prestress efficiency and ...
Preliminary Design of a Steel–UHPFRC Composite Truss Arch Bridge and Model Tests of K-Joints
Publisher: ASCE
Abstract: The preliminary design and comparisons of major technical and economic indicators between a steel-ultrahigh-performance fiber-reinforced concrete (UHPFRC) composite truss (SUCT) arch bridge and a concrete-filled steel ...
Closure to “Prestress Loss of a New Vertical Prestressing Anchorage System on Concrete Box-Girder Webs” by Xudong Shao, Rensheng Pan, Hua Zhao, and Zixuan Shao
Publisher: American Society of Civil Engineers
Optimum Combination of Bridge and Deck Systems for Superspan Cable-Stayed Bridges
Publisher: American Society of Civil Engineers
Abstract: The huge axial force in the main girder challenges the design of superspan cable-stayed bridges. To reduce the self-weight of the girder, the conventional orthotropic steel deck (OSD) system is widely adopted due to its ...
Static and Fatigue Behavior of Short-Headed Studs Embedded in a Thin Ultrahigh-Performance Concrete Layer
Publisher: American Society of Civil Engineers
Abstract: In recent years, ultrahigh-performance concrete (UHPC) has been increasingly applied to orthotropic steel deck (OSD) bridges. The UHPC layer and the OSD are connected through short-headed studs. This paper studies the ...
Measurement of Bridge Dynamic Responses Using Network-Based Real-Time Kinematic GNSS Technique
Publisher: American Society of Civil Engineers
Abstract: The network-based real-time kinematic (NRTK) global navigation satellite system (GNSS) technique was proposed for the first time to monitor the dynamic response of bridges. It could receive corrections from an established ...