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新疆大学建筑工程学院
Published:2020
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[1]马彦兵,阿肯江·托呼提.基于分块化频响函数曲率比的砌体房屋模型损伤识别研究[J].新疆大学学报(自然科学版)(中英文),2020,37(02):234-241.
[1]马彦兵,阿肯江·托呼提.基于分块化频响函数曲率比的砌体房屋模型损伤识别研究[J].新疆大学学报(自然科学版)(中英文),2020,37(02):234-241. DOI: 10.13568/j.cnki.651094.651316.2019.03.19.0001.
DOI:10.13568/j.cnki.651094.651316.2019.03.19.0001.
为进行未知损伤状态下工程结构的损伤位置识别研究
文章通过MTS对未损土坯砌体房屋模型进行推覆试验.在结构损伤前后状态下
通过校准力锤对房屋进行模态测试.通过提取结构的动态响应
利用分块化分析方法
对结构进行损伤定位分析.结果显示:基于频响函数曲率比的损伤方法
能够灵敏的识别出结构的损伤;通过分块化分析
能够较为准确的鉴定出结构损伤的位置.并提出自振频率结合力-位移曲线确定结构损伤因子
判定结构的损伤程度.
In order to identify the damage location of engineering structures under unknown damage condition
the article carries out pushover tests on the model of undamaged adobe masonry buildings by MTS.In the state of structure damaged or not
the modal test of the house is carried out by calibrating force hammer.By extracting the dynamic response of the structure and using the block analysis method
the damage location of the structure is analyzed.It is concluded that the damage method based on curvature ratio of frequency response function can identify the structural damage sensitively
and the location of structural damage can be more accurately identified by modular analysis.The self-vibration frequency combined with the force-displacement curve is proposed to determine the structural damage factor and determine the damage degree of the structure.
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