Permanent Deformation Characteristics of Concrete Face Rockfill Dams on Alluvium Deposit Subjected to Different Strong Seismic Excitations

Wei Jun Cen; Tao Zhou; Kun Xiong

doi:10.4028/www.scientific.net/AMM.405-408.1945

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Permanent Deformation Characteristics of Concrete Face Rockfill Dams on Alluvium Deposit Subjected to Different Strong Seismic Excitations
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 405-408Permanent Deformation Characteristics of Concrete...

Permanent Deformation Characteristics of Concrete Face Rockfill Dams on Alluvium Deposit Subjected to Different Strong Seismic Excitations

Abstract:

Using seismic analysis theory of CFRD, the numerical calculation of dynamic response of a high CFRD on alluvium deposit in strong earthquake zone subjected to strong seismic excitations of different transcendental probabilities was carried out, with emphasis on the seismic safety evaluation by permanent deformation. The influence of dynamic mechanical properties of the alluvium deposit on the dam's permanent deformation was also analyzed. The results show that permanent deformation will increase gradually with the increasing of peak value of seismic acceleration. The seismic safety of dam is in a normal range under the earthquake with transcendental probability of 2% in 100 years. The alluvium deposit has significant influence on the dam's dynamic response.

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Periodical:

Applied Mechanics and Materials (Volumes 405-408)

Pages:

1945-1948

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.405-408.1945

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Online since:

September 2013

Authors:

Wei Jun Cen, Tao Zhou, Kun Xiong

Keywords:

Concrete Face Rockfill Dam (CFRD), Dynamic Response, Permanent Deformation, Seismic Excitation

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