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Control of the Dynamic Response of Cable-stayed Bridge with Highway and Railway under Multiple Loading by a Viscous Damper

 Control of the Dynamic Response of Cable-stayed Bridge with Highway and Railway under Multiple Loading by a Viscous Damper
Autor(en): , ,
Beitrag für IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015, veröffentlicht in , S. 1829-1836
DOI: 10.2749/222137815818359302
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In China, a fluid viscous damper (FVD) is often used at deck-tower connections for a cable stayed bridge as a passive supplemental energy dissipation device to mitigate the structure seismic respon...
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Bibliografische Angaben

Autor(en): (State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai, China)
(State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai, China)
(State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai, China)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015
Veröffentlicht in:
Seite(n): 1829-1836 Anzahl der Seiten (im PDF): 8
Seite(n): 1829-1836
Anzahl der Seiten (im PDF): 8
Jahr: 2015
DOI: 10.2749/222137815818359302
Abstrakt:

In China, a fluid viscous damper (FVD) is often used at deck-tower connections for a cable stayed bridge as a passive supplemental energy dissipation device to mitigate the structure seismic response. This presentation discusses the effect of a fluid viscous damper on a cable stayed bridge with highway and railway subject to seismic, train braking and running loads. The rational parameters of viscous dampers were firstly determined by the sensitivity analysis of parameters based on the structural seismic response. Then, the mitigation effect of viscous dampers on longitudinal vibration of the main beam induced by train braking and running was investigated. The results show that structural seismic responses are reduced effectively by a viscous damper; the longitudinal vibration of the main beam induced by train braking and train running are controlled and dynamic responses of towers are improved.

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