Geomechanics and Engineering

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Dynamic response evaluation of deep underground structures based on numerical simulation

  • Yoo, Mintaek (Railroad Structure Research Team, Korea Railroad Research Institute) ;
  • Kwon, Sun Yong (Division of Public Infrastructure Assessment, Korea Environment Institute) ;
  • Hong, Seongwon (Department of Safety Engineering, Korea National University of Transportation)
  • Received : 2021.12.27
  • Accepted : 2022.03.05
  • Published : 2022.05.10
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Abstract

In this research, a series of dynamic numerical analysis were carried out for deep underground building structures under the various earthquake conditions. Dynamic numerical analysis model was developed based on the PLAXIS2D and calibrated with centrifuge test data from Kim et al. (2016). The hardening soil model with small strain stiffness (HSSMALL) was adopted for soil constitutive model, and interface elements was employed at the interface between plate and soil elements to simulate dynamic interaction effect. In addition, parametric study was performed for fixed condition and embedded depth. Finally, the dynamic behavior of underground building structure was thoroughly analyzed and evaluated.

Keywords

Acknowledgement

This research was supported by a grant (KAIA22SCIP-C155167-04) from Construction Technologies Program funded by Ministry of Land, Infrastructure and Transport of Korean government, Korea Environment Industry & Technology Institute (KEITI) funded by the Korea Ministry of Environment(MOE) (2020002990007), Decision Support System Development Project for Environmental Impact Assessment Project, 2022-003(R)) funded by Korea Environment Institute(KEI), and and the Young Researcher Program through the National Research Foundation of Korea (NRF) funded by the Korea government (MSIT; Ministry of Science and ICT) (2021R1C1C1010087).

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