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ISSN: 2321-9939 | ESTD Year: 2013

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Paper Title
Assessment of Seismic Vibration Response of Structure to Expected Peak Ground Acceleration
  Mr. Mandar Vilas Sardesai,  Dr Atul Desai

Abstract— Cable supported structures have distinctive dynamic behaviour. Extradosed bridge, which is intermediate to Girder Bridge and cable stayed bridge, owing to its shallow cables, the structure behaviour of Extradosed Bridge differs from that of cable stayed bridge. Forced vibration of structure for given Earthquake time history is governed by peak acceleration. For cable stayed structures such as Extradosed cable stayed bridge it is difficult to predict dynamic response using usual methods of dynamic analysis as applied to some other bridge structures like response spectrum analysis, accurate analysis like time history analysis is time consuming and has time and cost effects. Nonlinearities can only be considered in time history analysis. The proposed method correlates the peak ground acceleration (PGA) and earthquake deformation ratio (EDR) which can be used for simplified dynamic analysis and can prove handy tool for structural engineers to know earthquake related serviceability without much complicated analysis at initial stages. This ratio can be used to present seismic damage indices. The method is proposed considers Extradosed bridge for example.

Keywords- Index Terms— Extradosed cable stayed bridge; Structural Behavior; Earthquake vibrations; Dynamic response; PGA-EDR; Seismic Damage index.
Publication Details
Unique Identification Number - IJEDR1404036
Page Number(s) - 3597-3608
Pubished in - Volume 2 | Issue 4 | Dec 2014
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Mr. Mandar Vilas Sardesai,  Dr Atul Desai,   "Assessment of Seismic Vibration Response of Structure to Expected Peak Ground Acceleration", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.2, Issue 4, pp.3597-3608, Dec 2014, Available at :http://www.ijedr.org/papers/IJEDR1404036.pdf
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