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Seismic structural responses reduction of double-layered containment nuclear power plant via BIS-TMD

Gangling Hou (College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, China)
Yu Liu (College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, China)
Meng Li (College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, China)
Menghan Sun (College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin, China)
Feng Sun (Nuclear and Radiation Safety Center, Ministry of Ecology and Environment of the PRC, Beijing, China)
Xiuyun Zhu (Nuclear and Radiation Safety Center, Ministry of Ecology and Environment of the PRC, Beijing, China)
Rong Pan (Nuclear and Radiation Safety Center, Ministry of Ecology and Environment of the PRC, Beijing, China)
Dongyu Zhang (School of Civil Engineering, Harbin Institute of Technology, Harbin, China)

Engineering Computations

ISSN: 0264-4401

Article publication date: 13 February 2020

Issue publication date: 21 May 2020

158

Abstract

Purpose

In recent years, a new type of double-layered containment structure of nuclear power plant has been built in China, named ACP1000 NNP. This paper aims to propose a new method to mitigate the seismic responses of this type of the structure.

Design/methodology/approach

The new base isolation structure (BIS)- tuned mass damper (TMD) structure was proposed and implemented only by modifying the connection between various components of NPPs, and the application of this concept design in ACP1000 was skillfully realized.

Findings

The new structure adopts the combination of structural form and function, adopts appropriate amplification of the seismic response of the secondary component, possesses advantages in explicit damping mechanism, good damping effect, robustness of seismic structures, simple implementation process, etc., and meets the special seismic safety requirements of the NPPs.

Originality/value

This seismic and hazard mitigation and BIS-TMD structure can avoid the risk of ACP1000 accidents caused by horizontal earthquakes.

Keywords

Acknowledgements

The authors thank the National Science and Technology Major Project of the Ministry of Science and Technology of China (Large Advanced PWR Nuclear Power Station, Grant No. 2018ZX06005002), Chinese Universities Scientific Fund (Grant No HEUCFP201846), National Science Foundation for Distinguished Young Scholars of China (Grant No. 51908157) for financial support. Thanks for due to Professor Jinping Ou, Professor Hui Li for valuable discussion.

Citation

Hou, G., Liu, Y., Li, M., Sun, M., Sun, F., Zhu, X., Pan, R. and Zhang, D. (2020), "Seismic structural responses reduction of double-layered containment nuclear power plant via BIS-TMD", Engineering Computations, Vol. 37 No. 6, pp. 2111-2125. https://doi.org/10.1108/EC-09-2019-0420

Publisher

:

Emerald Publishing Limited

Copyright © 2020, Emerald Publishing Limited

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