Equivalence between internal observability and exponential stabilization for suspension bridge problem
Sign Up to like & getrecommendations! Published in 2021 at "Ricerche Di Matematica"
DOI: 10.1007/s11587-021-00566-4
Abstract: We study the fourth order semilinear suspension bridge problem with restoring force h(u) and linear damping $$\delta u_{t}$$ . Using the multiplier method, we first establish the observability inequality of the corresponding system without damping… read more here.
Keywords: bridge problem; exponential stabilization; observability; observability exponential ... See more keywords
Radar-based multipoint displacement measurements of a 1200-m-long suspension bridge
Sign Up to like & getrecommendations! Published in 2020 at "ISPRS Journal of Photogrammetry and Remote Sensing"
DOI: 10.1016/j.isprsjprs.2020.06.017
Abstract: Abstract Structural displacement monitoring remains a challenging problem, especially for long-span bridges. A ground-based microwave interferometric radar system was developed and used to obtain multipoint displacement measurements of a suspension bridge with a main span… read more here.
Keywords: multipoint displacement; radar; displacement measurements; displacement ... See more keywords
Numerical analysis and field load testing of a suspension bridge with a root pile anchorage
Sign Up to like & getrecommendations! Published in 2021 at "Structures"
DOI: 10.1016/j.istruc.2021.08.086
Abstract: Abstract The Qiupu River Bridge is the first suspension bridge with the application of a novel anchorage of root pile foundation. The static behaviors of the bridge were studied in this paper. Before the bridge… read more here.
Keywords: bridge; root pile; anchorage; model ... See more keywords
Experimental investigation on aerodynamic interference of two kinds of suspension bridge hangers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluids and Structures"
DOI: 10.1016/j.jfluidstructs.2019.06.010
Abstract: Abstract In order to study the aerodynamic interference between cables of suspension bridge hangers, two types of cable test models with smooth and rough surfaces, which respectively correspond to parallel wire strand (PWS) and wire… read more here.
Keywords: pws; wake induced; suspension bridge; hanger ... See more keywords
Multifunctional Robotic Crawler for Inspection of Suspension Bridge Hanger Cables: Mechanism Design and Performance Validation
Sign Up to like & getrecommendations! Published in 2017 at "IEEE/ASME Transactions on Mechatronics"
DOI: 10.1109/tmech.2016.2614578
Abstract: This paper presents a robotic system, called multifunctional robotic crawler for cable INspection II, which is developed for inspection of hanger cables of suspension bridges. The robot can move over hanger cables and perform inspections… read more here.
Keywords: bridge; suspension; suspension bridge; hanger cables ... See more keywords
Research on dynamic behavior and traffic management decision-making of suspension bridge after vortex-induced vibration event
Sign Up to like & getrecommendations! Published in 2021 at "Structural Health Monitoring"
DOI: 10.1177/14759217211011582
Abstract: Long-span suspension bridges are susceptible to wind loads due to their lightweight, low stiffness, and small structural damping. Recently, two large-span suspension bridges in China that closed for several months due to COVID-2019 experienced large-scale… read more here.
Keywords: induced vibration; vortex induced; suspension; suspension bridge ... See more keywords
Structural Health Monitoring and Time-Dependent Effects Analysis of Self-Anchored Suspension Bridge with Extra-Wide Concrete Girder
Sign Up to like & getrecommendations! Published in 2018 at "Applied Sciences"
DOI: 10.3390/app8010115
Abstract: The present work is aimed at studying the structural health status of Hunan Road Bridge, which is currently the widest concrete self-anchored suspension bridge in China. The monitoring data included the structural deformations, internal forces,… read more here.
Keywords: anchored suspension; bridge; structural health; suspension bridge ... See more keywords