Prediction method for seismic responses of underground structures in shaking table tests

JIANG Zhi-wei; LIU Jing-bo; XU Cheng-shun

doi:10.11779/CJGE202107006

Volume 43 Issue 7

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Chinese Journal of Geotechnical Engineering > 2021 > 43(7): 1220-1227. > DOI: 10.11779/CJGE202107006

JIANG Zhi-wei, LIU Jing-bo, XU Cheng-shun. Prediction method for seismic responses of underground structures in shaking table tests[J]. Chinese Journal of Geotechnical Engineering, 2021, 43(7): 1220-1227. DOI: 10.11779/CJGE202107006

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Prediction method for seismic responses of underground structures in shaking table tests

1.
Department of Civil Engineering, Tsinghua University, Beijing 100084, China
2.
The Key Laboratory of Urban Security and Disaster Engineering of the Ministry of Education, Beijing University of Technology, Beijing 100124, China

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Received Date: April 01, 2020
Available Online: December 02, 2022

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Abstract

Abstract

The large-scale shaking table tests on an underground structure embedded in soil need extremely high cost and long test period, and usually they can hardly be frequently conducted in a short time. In order to successfully conduct the tests, predicting their responses before the tests is meaningful. The fully-numerical prediction method has been widely applied in model tests, but sometimes the results may have a great error, especially under the strong non-linear condition. To improve the accuracy of the prediction, the method combining both the numerical analysis and the free-field shaking table tests is proposed to predict the seismic responses of underground model structures in shaking table tests. The method using the data of the free-field tests to estimate the parameters for the Integral Responses Displacement Method is firstly introduced. The seismic responses of underground model structures in shaking table tests are predicted using the proposed method and the traditional fully-numerical prediction method. The predicted results are then compared with those by the subsequent tests. It is shown that the accuracy of the predicted results by the proposed method is greatly improved compared with that by the traditional fully numerical method. The proposed method can be used to qualitatively predict the seismic responses of underground structures in shaking table tests and further improve the design of the subsequent tests.
- underground structure,
- seismic response,
- shaking table test,
- experimental prediction,
- integral response displacement method,
- seismic resistance

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References (28)

References

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