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Strut-and-Tie Model-Based Prestress Design for the Cable–Pylon Anchorage Zone of Cable-Stayed Bridges
Publisher: ASCE
Abstract: Due to its complex geometry and mechanical behavior, the prestress design of the cable–pylon anchorage zone is difficult to achieve but critical. In this paper, the use of the strut-and-tie model (STM) is evaluated to ...
Fatigue Performance of Orthotropic Steel Decks in Long-Span Cable-Stayed Steel-Box Girder Railway Bridges
Publisher: American Society of Civil Engineers
Abstract: This study conducted preliminary finite-element analysis (FEA) of an orthotropic steel deck (OSD) with U-ribs and V-ribs for a long-span cable-stayed steel-box girder railway bridge using the hot-spot stress method to ...
Fatigue Performance of Orthotropic Steel Decks in Long-Span Cable-Stayed Steel-Box Girder Railway Bridges
Publisher: American Society of Civil Engineers
Abstract: This study conducted preliminary finite-element analysis (FEA) of an orthotropic steel deck (OSD) with U-ribs and V-ribs for a long-span cable-stayed steel-box girder railway bridge using the hot-spot stress method to ...
Machine Vision Method for Crack Detection and Pattern Recognition in UHPC Prestressed Beams
Publisher: American Society of Civil Engineers
Abstract: Although ultra-high-performance concrete (UHPC) is known for its exceptional durability and crack resistance, UHPC bridges in harsh environments can still develop cracks. Detecting cracks in concrete structures, analyzing ...
Quasi-Static Tests and Simulations of Round-Ended Railway Bridge Piers with a Small Shear-Span Ratio
Publisher: American Society of Civil Engineers
Abstract: This study investigates the seismic performance of round-ended railway bridge piers subjected to transverse bridge loading. Six scaled models of bridge piers with low-reinforcement ratios, low axial compression ratios, and ...
Investigation of the Shear Lag Effect of an Innovative Steel Box Girder in Cable-Stayed Bridges: Experimental and Bar Simulation Method Analysis
Publisher: ASCE
Abstract: As an innovative steel box girder, the normal stress patterns in the top and bottom plates of a cantilever steel box girder are complex. However, the influence of external and internal struts on the shear lag effect is ...
Fatigue Performance of an Innovative Steel–Concrete Joint in Long-Span Railway Hybrid Box Girder Cable-Stayed Bridges
Publisher: ASCE
Abstract: An innovative steel–concrete joint (SCJ) was applied to long-span railway hybrid box girder cable-stayed bridges to achieve favorable force transfer and deformation performance with a running train. The fatigue performance ...
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