Geomechanics and Engineering

Techno-Press (테크노프레스)
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Prediction of dynamic behavior of full-scale slope based on the reduced scale 1 g shaking table test

  • Jin, Yong (Department of Civil Engineering, Chosun University) ;
  • Kim, Daehyeon (Department of Civil Engineering, Chosun University) ;
  • Jeong, Sugeun (Department of Civil Engineering, Chosun University) ;
  • Park, Kyungho (Department of Civil Construction Engineering, Chosun College of Science and Technology)
  • Received : 2022.05.04
  • Accepted : 2022.11.22
  • Published : 2022.11.25
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Abstract

The objective of the study is to evaluate the feasibility of the dynamic behavior of slope through both 1 g shaking table test and numerical analysis. Accelerometers were installed in the slope model with different types of seismic waves. The numerical analysis (ABAQUS and DEEPSOIL) was used to simulate 1 g shaking table test at infinite boundary. Similar Acceleration-time history, Spectral acceleration (SA) and Spectral acceleration amplification factor (Fa) were obtained, which verified the feasibility of modeling using ABAQUS and DEEPSOIL under the same size. The influence of the size (1, 2, 5, 10 and 20 times larger than that used in the 1 g shaking table test) of the model used in the numerical analysis were extensively investigated. According to the similitude law, ABAQUS was used to analyze the dynamic behavior of large-scale slope model. The 5% Damping Spectral acceleration (SA) and Spectral acceleration amplification factor (Fa) at the same proportional positions were compared. Based on the comparison of numerical analyses and 1 g shaking table tests, it was found that the 1 g shaking table test result can be utilized to predict the dynamic behavior of the real scale slope through numerical analysis.

Keywords

Acknowledgement

The research described in this paper was financially supported by Chosun University (2021).

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