Performance of Seismic-Isolated Bridges as a Function of Isolator and Ground Motion Properties in Near-Fault Zones

Date

2007-05-27

Author

Dicleli, Murat

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URI

https://hdl.handle.net/11511/75470

Conference Name

10th World Conference on Seismic Isolation, Energy Dissipation and Vibration Control of Structures , (27 Mayıs 2007)

Collections

Department of Engineering Sciences, Conference / Seminar

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Performance of seismic-isolated bridges in relation to near-fault ground-motion and isolator characteristics Dicleli, Murat (SAGE Publications, 2006-11-01) This paper investigates the performance of seismic-Isolated bridges (SIBs) subjected to near-fault (NF) earthquakes with forward rupture directivity effect (FRDE) in relation to the isolator, substructure, and NF earthquake properties, and examines some critical design clauses in AASHTO's Guide Specifications for Seismic Isolation Design. It is found that the SIB response is a function of the number of velocity pulses, magnitude of the NF ground motion, and distance from the fault. Particularly, a reasonabl...
Performance of seismic-isolated bridges with and without elastic-gap devices in near-fault zones Dicleli, Murat (2008-05-01) In this paper, the efficiency of providing elastic-gap devices (EGDs) to improve the performance of seismic- isolated bridges (SIBs) in near-fault (NF) zones is investigated. The device is primarily made of an assembly of circular rubber bearings and steel plates to provide additional elastic stiffness to the SIB upon closure of a gap. The EDG is intended to function at two performance levels under service and maximum considered design level (MCDL) NF earthquakes to reduce isolator displacements while keepi...
Performance of Seismic-Isolated Bridges with Elastic-Gap Devices in Near-Fault Zones Dicleli, Murat (null; 2007-05-27)
Performance of a Prestressed Concrete Pedestrian Bridge System under Equivalent Static Lateral Impact Loads Baran, Eray; French, Catherine (American Society of Civil Engineers (ASCE), 2013-08-01) The resistance of prestressed concrete through-girder (PCTG) pedestrian bridges to lateral loads was studied in response to the increasing number of vehicular impacts in the United States. This research was motivated by the lack of reported studies analyzing the behavior of such bridges to lateral impact loads, as well as their potential vulnerability in comparison with bridges that are better able to redistribute and transfer locally applied impact loads through alternate load paths. Pedestrian bridges are...

Citation Formats

M. Dicleli, “Performance of Seismic-Isolated Bridges as a Function of Isolator and Ground Motion Properties in Near-Fault Zones,” presented at the 10th World Conference on Seismic Isolation, Energy Dissipation and Vibration Control of Structures , (27 Mayıs 2007), İstanbul, Türkiye, 2007, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/75470.