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RISExperimental Verification of a Cable-Stayed Bridge Model Using Passive Energy Dissipation Devices
Publisher: American Society of Civil Engineers
Abstract: To investigate the efficiency of passive energy dissipation devices in protecting cable-stayed bridges from severe damage when subjected to high-intensity ground motions, a 1/20-scale bridge model from a typical medium-span ...
Performance Test of Energy Dissipation Bearing and Its Application in Seismic Control of a Long-Span Bridge
Publisher: American Society of Civil Engineers
Abstract: Energy dissipation bearing (EDB) is a conventional steel bridge bearing in connection with well designed mild steel dampers. Seismic performance test was undertaken for both damper units and a prototype bearing, and the ...
Treatment of <i>P</i>-Δ Effects in Displacement-Based Seismic Design for SDOF Systems
Publisher: American Society of Civil Engineers
Abstract: The displacement-based seismic-design (DSD) methods, owing to their simplicity and efficiency, have been more and more recognized in structural seismic-research communities during the past few years. However, the dynamic
Optimal Network Design of Battery-Powered Electric Feeder Bus with Determination of Fleet Size and Number of Chargers
Publisher: ASCE
Abstract: This paper investigates an optimization problem regarding feeder bus network design for metro stations, based on the wide use of battery-powered electric buses. To characterize the problem, a mixed integer programming model ...
Experimental and Numerical Study of Grout Effectiveness and Force-Transfer Mechanism in Socket Connections
Publisher: ASCE
Abstract: This study aims to investigate the effectiveness of grout and the mechanism of force transfer in socket connections. In doing so, it proposes a new transfer mode called integral transfer mode (ITM), as opposed to the ...
Preliminary Study to Enhance Ductility of CFRP-Strengthened RC Beam
Publisher: American Society of Civil Engineers
Abstract: Fiber-reinforced polymer (FRP) strengthening systems are widely accepted in engineering practice as means to enhance the flexural strength of RC members, but resulting in decreased ductility. Brittle failure, i.e., FRP ...
The Effect of Surface Features on Nanorheology of LCP Melts in Nanochannels by MD Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of wall surface features on the rheological properties and phase orientation of liquid crystalline polymer (LCP) melts flowing in a nanochannel have been first investigated by molecular ...
Collision-Free Path Planning of Tensegrity Structures
Publisher: American Society of Civil Engineers
Abstract: Path planning is a crucial step in shape control of tensegrity structures. A mathematical model for the path planning problem of tensegrities is proposed. Both external collision and internal collision are considered. A ...
Numerical Simulation of Wind Fields at the Bridge Site in Mountain-Gorge Terrain Considering an Updated Curved Boundary Transition Section
Publisher: American Society of Civil Engineers
Abstract: To investigate the characteristics of wind fields at the bridge site in mountain-gorge terrains more accurately and rationally, an updated curved boundary transition section (BTS) was proposed in this study. The flow ...
Three-Dimensional Numerical Model for Seismic Analysis of Bridge Systems with Multiple Thin-Walled Partially Concrete-Filled Steel Tubular Columns
Publisher: ASCE
Abstract: Thin-walled partially concrete-filled steel tubular (PCFT) columns have come to be used as the piers of elevated-girder bridges widely in Japan because of their excellent seismic performance: strength, ductility, and energy ...