| 颗粒阻尼技术及其在土木工程中的应用展望 |
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| 引用本文： | 闫维明,黄韵文,何浩祥,王瑾.颗粒阻尼技术及其在土木工程中的应用展望[J].世界地震工程,2010,26(4). |
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| 作者姓名： | 闫维明 黄韵文 何浩祥 王瑾 |
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| 作者单位： | 北京工业大学工程抗震与结构诊治北京市重点实验室,北京,100124 |
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| 基金项目： | 国家自然科学基金项目(90715032); 国家科技支撑计划课题项目(2006BAJ03B06); 高等学校博士学科点专项科研基金项目(20060005004) |
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| 摘 要： | 介绍了国内外颗粒阻尼发展现状,比较了非阻塞性颗粒阻尼、柔性颗粒阻尼、带活塞振动颗粒阻尼的异同,按照颗粒阻尼的类型,系统地阐述了颗粒阻尼内部作用机理、常用计算模型、耗能影响因素等问题,指出其在应用中的诸多优点,及优于粘滞与机械阻尼的性能,验证了颗粒阻尼良好的工程应用前景与发展潜力。同时指出了现今理论模型、实际运用及设计中存在的一些问题与不足,对颗粒阻尼的研究与发展方向提出了建议。
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| 关 键 词： | 颗粒阻尼 NOPD BBD PPD DEM |
Particle damping technology and its application prospect in civil engineering |
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| YAN Weiming,HUANG Yunwen,HE Haoxiang,WANG Jin.Particle damping technology and its application prospect in civil engineering[J].World Information On Earthquake Engineering,2010,26(4). |
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| Authors: | YAN Weiming HUANG Yunwen HE Haoxiang WANG Jin |
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| Institution: | YAN Weiming,HUANG Yunwen,HE Haoxiang,WANG Jin(Beijing Laboratory of Earthquake Engineering and Structural Retrofit,Beijing University of Technology,Beijing 100124,China) |
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| Abstract: | The Chinese and international development status and study results of particle damping technology are summarized,and similarities and differences among non-obstructive particle damping(NOPD),bean bag damping(BBD) and piston-based particle damping(PPD)are given.According to the type of particle damping,its interaction mechanism,computing models,dissipated-energy effect factors and some other questions have been demonstrated systematically,and advantages in application and its superiority over viscous damping... |
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| Keywords: | particle damping NOPD BBD PPD DEM |
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