Seismic response analysis of arch dam-water-rock foundation systems |
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| Authors: | Du?Xiuli Email author" target="_blank">Wang?JintingEmail author |
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| Institution: | 1. Beijing key laboratory of earthquake engineering and structural retrofit, Beijing University of Technology, Beijing 100022, China
2. Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China |
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| Abstract: | The effect of water compressibility on the seismic responses of arch dams is not well understood. In this paper, a numerical
model is developed with rigorous representation of the dynamic interaction between arch dam-waterrock foundation. The model
is applied to the seismic response analysis of an arch dam with a height of 292m designed to a seismic intensity of IX. It
is shown that consideration of the water compressibility clearly decreases the stress responses at key positions of the dam,
while the added mass model gives a conservative estimate.
Sponsored by: National Natural Science Foundation of China for Distinguished Young Scholar of China Under Grant No.50325826;
National Natural Science Foundation of China Under Grant No. 50309005; Science & Technology Development Project of Education
Committee of Beijing Under Grant No. KM200310005017 |
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| Keywords: | seismic response arch dam water compressibility dam-water-foundation interaction added mass model finite element method |
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