Generation Method of Target Power Spectral Density for Seismic Design of Nuclear Power Plant Equipment

Xie Haoyu; Zhu Yizhou; Zhang Wengang; Tang Guangwu; Xie Yongcheng

doi:10.13832/j.jnpe.2021.05.0128

Volume 42 Issue 5

Sep. 2021

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Xie Haoyu, Zhu Yizhou, Zhang Wengang, Tang Guangwu, Xie Yongcheng. Generation Method of Target Power Spectral Density for Seismic Design of Nuclear Power Plant Equipment[J]. Nuclear Power Engineering, 2021, 42(5): 128-133. doi: 10.13832/j.jnpe.2021.05.0128

Citation:

Xie Haoyu, Zhu Yizhou, Zhang Wengang, Tang Guangwu, Xie Yongcheng. Generation Method of Target Power Spectral Density for Seismic Design of Nuclear Power Plant Equipment[J]. Nuclear Power Engineering, 2021, 42(5): 128-133. doi: 10.13832/j.jnpe.2021.05.0128

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Generation Method of Target Power Spectral Density for Seismic Design of Nuclear Power Plant Equipment

doi: 10.13832/j.jnpe.2021.05.0128

Xie Haoyu^{1, 2, 3
,},
Zhu Yizhou⁴,
Zhang Wengang^{1
,
,},
Tang Guangwu^{2, 3},
Xie Yongcheng⁴

1.
School of Civil Engineering, Chongqing University, Chongqing, 400045, China
2.
State Key Laboratory of Bridge Engineering Structural Dynamics, Chongqing, 400067, China
3.
China Merchants Chongqing Communications Technology Research & Design Institute Co., Ltd., Chongqing, 400067, China
4.
Shanghai Nuclear Engineering Research & Design Institute, Shanghai, 200233, China

Received Date: 2020-08-13
Rev Recd Date: 2021-03-15

Available Online: 2021-09-30

Publish Date: 2021-09-30

Abstract

Abstract

The input ground motion for the seismic design of nuclear power plant (NPP) equipment is required to envelop both the required response spectrum (RRS) and target power spectral density (PSD). However, no unified algorithm exists to generate the target PSD, whether at home or abroad. Based on the generation methodology for target PSD suggested in Section 3.7.1 of the Standard Review Plan (SRP) of U.S. Nuclear Regulatory Commission, this paper proposes an improved method for target PSD synthesis with the original iteration process optimized. The proposed method is applied successfully to the two RRS cases for nuclear equipment. The result shows that the improved method for target PSD generation is highly compatible with RRS and provides simple and rapid calculation, while its convergence accuracy is similar to the calculations by random vibration theory (RVT). This method is considered as the target PSD test basis for the input artificial ground motion (AGM) for the seismic design of NPP equipment.
- NPP equipment,
- Earthquake mitigation,
- Power spectral density (PSD),
- Response spectrum

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References(16)

References

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