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作者:

Peng, Ling-Yun (Peng, Ling-Yun.) (学者:彭凌云) | Kang, Ying-Jie (Kang, Ying-Jie.) | Lai, Zong-Rui (Lai, Zong-Rui.) | Deng, Yu-Ke (Deng, Yu-Ke.)

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摘要:

A parameter optimization design method is proposed for multiple coal bucket dampers (CBDs) to reduce the seismic response of coal-fired power plants. To test the damping effect of the optimized CBDs, a 1:30 scale shaking table test model of a power plant structure was fabricated. A comparative testing program was conducted using three seismic excitations on a model with and without CBDs. A finite element analysis model, replicating the conditions of the shaking table test, was constructed for comparison, and the shock absorption effects of CBDs subjected to 22 groups of far-field seismic action and 28 groups of near-field seismic action were analyzed. Finally, the influence of changes in the structural period on the seismic response of the CBD-equipped structure was studied. The results indicate that the use of CBDs in a coal-fired power plant structure, based on an optimization design method for multiple-tuned mass dampers (MTMDs), results in a significant reduction in the structure displacement response, displays a certain discreteness under different excitations, and maintains a certain damping stability even as the structural period changes. Overall, the use of CBDs is a promising prospect for improving the seismic performance of coal-fired power plant structures.

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作者机构:

  • [ 1 ] [Peng, Ling-Yun]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 2 ] [Kang, Ying-Jie]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 3 ] [Lai, Zong-Rui]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 4 ] [Deng, Yu-Ke]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China

通讯作者信息:

  • 彭凌云

    [Peng, Ling-Yun]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China

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来源 :

ADVANCES IN CIVIL ENGINEERING

ISSN: 1687-8086

年份: 2018

卷: 2018

1 . 8 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:76

JCR分区:3

被引次数:

WoS核心集被引频次: 7

SCOPUS被引频次: 7

ESI高被引论文在榜: 0 展开所有

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