[1]姜岚,马克俭,张华刚,等.协同式空腹夹层板动力特性分析及舒适度研究[J].地震工程与工程振动,2017,01(6):122-131.[doi:10.13197/j.eeev.2017.06.122.jiangl.014]
 JIANG Lan,MA Kejian,ZHANG Huagang,et al.The dynamic property and comfort degree study on the steel-concrete composite vierendeel sandwich plate[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2017,01(6):122-131.[doi:10.13197/j.eeev.2017.06.122.jiangl.014]
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协同式空腹夹层板动力特性分析及舒适度研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
01
期数:
2017年6
页码:
122-131
栏目:
论文
出版日期:
2017-12-31

文章信息/Info

Title:
The dynamic property and comfort degree study on the steel-concrete composite vierendeel sandwich plate
作者:
姜岚12 马克俭13 张华刚3 徐向东1 魏艳辉3 胡岚1
1. 湖南大学 土木工程学院, 湖南 长沙 410012;
2. 三峡大学 电气与新能源学院, 湖北 宜昌 443002;
3. 贵州大学 空间结构研究中心, 贵州 贵阳 550003
Author(s):
JIANG Lan12 MA Kejian13 ZHANG Huagang3 XU Xiangdong1 WEI Yanhui3 HU Lan1
1. School of Civil Engineering, Hunan University, Changsha 410012, China;
2. College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443002, China;
3. Space Structure Research Center, Guizhou University, Guiyang 550003, China
关键词:
组合结构空腹夹层板动力特性模态测试基频计算振动舒适度
Keywords:
steel-concrete composite structureopen-web sandwich platedynamic characteristicsmodal testingthe fundamental frequency calculationvertical vibration
分类号:
TU398;TU317.2
DOI:
10.13197/j.eeev.2017.06.122.jiangl.014
摘要:
为了解贵州省博物馆新馆协同式空腹夹层板的动力特性及人行舒适度性能,采用有限元法计算楼盖结构模态及加速度响应,并进行现场实测。还推导了基频的简化计算公式。其中有限元分析时,考虑了不同边界条件、不同单元类型等因素对分析结果的影响。分析结果表明:楼盖自振频率及加速度峰值计算值、实测值均满足规范。实体-壳单元模型、双层梁-壳单元模型均能较为准确反映协同式空腹夹层板动力特性,不同频率下定点激励及行走路线激励下的楼盖加速度峰值满足规范要求,基频简化计算方法能够满足工程精度要求。
Abstract:
The paper takes the new museum of Guizhou Province as a prototype. It uses t-section steel-concrete composite open-web sandwich plates. Under various boundary conditions, the frequency and mode shape of three types of finite element models have been calculated out by using the subspace iteration method. The acceleration of the floor is obtained under the circumstance of continuous walk and various walking frequencies should be taken into consideration on this occasion. The dynamic characteristics of the floor is tested under the condition of environmental incentive and continuous walk. Frequency-domain method has been adopted to get modal parameters and thus we get each order natural frequency, mode shape, damping the further and acceleration. The equation of fundamental frequency of lattice girder can be calculated out through the equation. Following result can be drawn through this study:First, the solid-shell model and the two layer beam-shell element model can accurately show the dynamic characteristics of open-web sandwich plates. Second, the results of the simplified calculation of the fundamental frequency of the open-web sandwich is equal to that of the two layer beam-shell element. Third, the maximum acceleration under the condition of walk continuous walk can meet the standards.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-12-06;改回日期:2017-04-15。
基金项目:“十二五”国家科技支撑计划(2011BAJ09B01)
作者简介:姜岚(1986-),男,讲师,博士研究生,主要从事空间网格结构方面的研究.E-mail:jianglanctgu@163.com
通讯作者:马克俭(1933-),男,教授,博士生导师,中国工程院院士,主要从事空间结构的研究与应用.E-mail:makejian2002@163.com
更新日期/Last Update: 1900-01-01