NDLI: Seismic Retrofitting of an Existing Steel Railway Bridge by Fluid Viscous Dampers

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Journal of The Institution of Engineers (India): Series A : Volume 97, Issue 2, June 2016

Journal of The Institution of Engineers (India): Series A : Volume 97, Issue 1, March 2016

Journal of The Institution of Engineers (India): Series A : Volume 96

Journal of The Institution of Engineers (India): Series A : Volume 95

Journal of The Institution of Engineers (India): Series A : Volume 94

Journal of The Institution of Engineers (India): Series A : Volume 93

Seismic Retrofitting of an Existing Steel Railway Bridge by Fluid Viscous Dampers

Content Provider	Springer Nature Link
Author	Gangopadhyay, Avijit Ghosh, Aparna Dey
Copyright Year	2016
Abstract	There are over a lakh of bridges in the Indian Railways, many of which have become seismically deficient, either through aging or due to inadequate seismic design considerations. The extensive damage of bridges all over the world in recent earthquakes has propelled significant advancement in earthquake protection and retrofitting of bridges. Amongst various passive control systems that are reliable as well as cost-effective, Fluid Viscous Dampers (FVDs) are proving to be successful in bridge vibration control. Orificed FVDs, commercially available as Taylor Devices, have already been successfully installed in several bridges worldwide. However, there has been no such application or study related to Indian railway bridges. In this paper, an existing thirty years’ old railway bridge in Jharkhand, India, has been analyzed in SAP2000v14 considering reduced stiffness and found deficient when subjected to spectrum-compatible accelerograms. Subsequent retrofitting of the bridge superstructure with FVDs has been carried out and the results indicate substantial reductions in the responses of the bridge deck.
Starting Page	291
Ending Page	297
Page Count	7
File Format	PDF
ISSN	22502149
Journal	Journal of The Institution of Engineers (India): Series A
Volume Number	97
Issue Number	3
e-ISSN	22502157
Language	English
Publisher	Springer India
Publisher Date	2016-06-15
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Steel railway bridge Seismic retrofitting Civil Engineering Taylor Device Fluid viscous dampers
Content Type	Text
Resource Type	Article
Subject	Building and Construction Architecture Mechanical Engineering Agricultural and Biological Sciences Civil and Structural Engineering

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