| 基于环境激励的砖砌体弹性模量识别 |
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| 引用本文： | 付想平,彭 斌,黄煜辉,张 啸,刘晓雪.基于环境激励的砖砌体弹性模量识别[J].水资源与水工程学报,2014,25(4):134-137. |
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| 作者姓名： | 付想平 彭 斌 黄煜辉 张 啸 刘晓雪 |
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| 作者单位： | （上海理工大学 环境与建筑学院， 上海 200093） |
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| 基金项目： | 国家自然科学基金项目（51208300）； 上海市研究生创新基金项目（JWCXSL1302）； 上海理工大学环境与建筑学院大学生创新基金（201302） |
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| 摘 要： | 弹性模量是砌体结构安全性的重要指标。通过对6个砖砌体试件分别进行500组环境激励与35组人工激励的动力测试,获得砌体试件的基本频率,并将其计算值进行对比,验证环境激励识别砌体试件基本频率的可行性。根据砌体试件弹性模量与基本频率的关系,计算了环境激励下砌体试件的弹性模量,计算结果与试验结果和我国现行规范取值吻合较好,为进一步研究砌体结构损伤识别及进行有限元分析提供了基础资料。
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| 关 键 词： | 砖砌体 环境激励 基本频率 弹性模量 |
Identification of elastic modulus for brick masonry based on ambient excitation |
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| FU Xiangping,PENG Bin,HUANG Yuhui,ZHANG Xiao,LIU Xiaoxue.Identification of elastic modulus for brick masonry based on ambient excitation[J].Journal of water resources and water engineering,2014,25(4):134-137. |
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| Authors: | FU Xiangping PENG Bin HUANG Yuhui ZHANG Xiao LIU Xiaoxue |
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| Abstract: | Elastic modulus is an important indicator of safety of masonry structure. Through the dynamic measurement of 500 groups of ambient excitation and 35 groups artificial excitation on six brick masonry specimens,the paper obtained the basic frequency of brick masonry specimens.It identified the feasibility of basic frequency of brick masonry specimens distinguished by ambient excitation. According to the relationship between elastic modulus and basic frequency, the elastic modulus of masonry specimens can be calculated under ambient excitation. The results agree well with the values of experiment and the current specifications.The results can provide basis data for the further study of damage identification of masonry structure and finite element analysis. |
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| Keywords: | brick masonry ambient excitation basic frequency elastic modulus |
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