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Seismic responses of arch dams due to non-uniform ground motions
- Source :
- Scientia Iranica. 19:1431-1436
- Publication Year :
- 2012
- Publisher :
- Elsevier BV, 2012.
-
Abstract
- In the present paper, spatially variation input effects on seismic responses of arch dams have been studied. Recorded ground accelerations at the dam foundation interface of Pacoima dam during January 13, 2001 were used for the purpose of this investigation. A numerical finite element model was developed for dynamic analysis of the dam reservoir system. The modified version of NSAD-DRI finite element program was used for the analysis and the ground acceleration time histories were interpolated at all dam foundation interface nodal points. Total and pseudo static displacements as well as developed stresses due to uniform and non uniform excitations are obtained. The results reveal that multiple support excitations can have profound effects on the dam responses.
- Subjects :
- Seismic analysis
Engineering
Peak ground acceleration
Spatial variation
business.industry
General Engineering
Foundation (engineering)
Arch dams
Poison control
Non-uniform ground motion
Structural engineering
Finite element method
Reservoir system
Cardinal point
Multiple support excitations
Arch
business
Subjects
Details
- ISSN :
- 10263098
- Volume :
- 19
- Database :
- OpenAIRE
- Journal :
- Scientia Iranica
- Accession number :
- edsair.doi.dedup.....961b4a1e7e065fb6325645e50bc64a74