| 考虑土与结构相互作用对结构自振特性的影响 |
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| 引用本文： | 张富有,李君艳,李舒敏,贺梦瑶.考虑土与结构相互作用对结构自振特性的影响[J].河北工程大学学报,2018,35(4):6-10. |
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| 作者姓名： | 张富有 李君艳 李舒敏 贺梦瑶 |
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| 作者单位： | 河海大学 土木与交通学院, 江苏 南京 210098,河海大学 土木与交通学院, 江苏 南京 210098,河海大学 土木与交通学院, 江苏 南京 210098,河海大学 土木与交通学院, 江苏 南京 210098 |
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| 基金项目： | 国家自然科学基金资助项目（51479052） |
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| 摘 要： | 为了研究土与结构相互作用效应对结构自振特性的影响,建立土-并联基础隔震体系计算模型,并基于有限元单元法理论的原理,采用ABAQUS软件建立不同地基条件下的普通结构和并联基础隔震结构,探讨结构的自振频率和自振周期的变化规律。结果表明:总体上土与结构相互作用对并联基础隔震结构自振特性的影响远小于普通结构,场地土条件越软弱影响的程度也越大。
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| 关 键 词： | 并联基础隔震结构 土与结构相互作用 ABAQUS 自振特性 |
| 收稿时间： | 2018/7/18 0:00:00 |
Influence of soil-structure interaction on the natural vibration characteristics of structures |
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| Authors: | ZHANG Fuyou LI Junyan LI Shumin and HE Mengyao |
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| Affiliation: | College of Civil Engineering and Transportation, Hohai University, Nanjing 210098, China,College of Civil Engineering and Transportation, Hohai University, Nanjing 210098, China,College of Civil Engineering and Transportation, Hohai University, Nanjing 210098, China and College of Civil Engineering and Transportation, Hohai University, Nanjing 210098, China |
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| Abstract: | In order to study the effect of interaction between soil and structure on the natural vibration characteristics of the structure, the calculation model of the soil - parallel foundation isolation system is established.,The ABAQUS software is used to establish the common structure and the parallel base isolation structure under different foundation conditions based on the principle of finite element method. The natural vibration frequency and the law of variation of the natural vibration period is discussed. The results show that the interaction between soil and structure on the natural vibration characteristics of the parallel base isolation structure is much smaller than that of the common structure,and the weaker the soil conditions of the site,the greater the degree of influence. |
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| Keywords: | parallel base isolation structure soil-structure interaction ABAQUS self-vibration characteristics |
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