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Study on the Seismic Response of a High CFRD on Alluvium Deposit
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[1]CEN Wei-jun,YUAN Li-na,ZHANG Zi-qi,et al.Study on the Seismic Response of a High CFRD on Alluvium Deposit[J].Journal of Zhengzhou University (Engineering Science),2015,36(03):87-91.[doi:10.3969/j.issn.1671-6833.2015.03.019]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 36 Number of periods: 2015 03 Page number: 87-91 Column: Public date: 2015-06-30
Title:
Study on the Seismic Response of a High CFRD on Alluvium Deposit
Author(s):
CEN Wei-jun1; 2; YUAN Li-na1; 2; ZHANG Zi-qi1; 2; ZHOU Tao1; YANG Hong-kun1; LU Pei-can
1.College of Water Conservancy and Hydropower Engineering,Hohai University,Nanjing 210098, China; 2.Key Laboratory ofFailure Mechanism and Safety Control Techniques of Earth-rock Dam of the Ministry of Water Resources,Nanjing 210024,Chi-na;3.Sichuan Qingyuan Engineering Consultant Co.,Ltd. ,Chengdu 610072,China
Keywords:
high concrete face rockfill dam (CFRD) ;  seismic response;  acceleration;  dynamic stress of faceslab; dynamic pore water pressure
CLC:
TU47
DOI:
10.3969/j.issn.1671-6833.2015.03.019
Abstract:
The calculation of dynamic response and seismic safety evaluation of a high CFRD on alluvium de-posit subjected to seismic excitation of different transcendental probabilities were carried out,with emphasis onthe seismic response characteristics of dynamic displacement,acceleration,dynamic stresses of face slab andliquefaction of alluvium deposit under strong excitation. The results show that dynamic displacement,accelera-tion,dynamic stresses of face slab and liquefaction degree of alluvium deposit will increase gradually with theincreasing of seismic wave peak ,but the acceleration magnification will decrease.The seismic safety of dam isstill within a normal range even for transcendental probability 2% in 100 years.
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