[1]黄有露,蒋欢军,王勇.单层吊顶地震反应分析的有限元计算模型[J].地震工程与工程振动,2022,42(06):086-94.[doi:10.13197/j.eeed.2022.0609]
　HUANG Youlu,JIANG Huanjun,WANG Yong.Finite element model for the seismic response analysis of single-layer suspended ceiling[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2022,42(06):086-94.[doi:10.13197/j.eeed.2022.0609]
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单层吊顶地震反应分析的有限元计算模型
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《地震工程与工程振动》[ISSN:/CN:]

卷:
42
期数:
2022年06期
页码:
086-94
栏目:
第十一届全国地震工程学术会议专题
出版日期:
2022-12-31

文章信息/Info

Title:
Finite element model for the seismic response analysis of single-layer suspended ceiling
作者:
黄有露1; 2;  蒋欢军1; 2;  王勇2; 3
1. 同济大学 土木工程防灾国家重点实验室, 上海 200092;
2. 同济大学 土木工程学院, 上海 200092;
3. 中国建筑股份有限公司, 北京 100037
Author(s):
HUANG Youlu1; 2;  JIANG Huanjun1; 2;  WANG Yong2; 3
1. State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;
2. College of Civil Engineering, Tongji University, Shanghai 200092, China;
3. China State Construction Engineering Co., Ltd., Beijing 100037, China
关键词:
吊顶; 有限元模型; 振动台试验; 碰撞; 抗震性能
Keywords:
suspended ceiling; finite element model; shaking table test; pounding; seismic performance
分类号:
TU317.1
DOI:
10.13197/j.eeed.2022.0609
摘要:
吊顶主要由龙骨构件、吊杆以及面板等构件组成，容易在地震中发生严重破坏，但准确反映其地震响应的有限元模型非常有限。为了便于研究吊顶的抗震性能，文中提出了一种可用于计算吊顶地震反应的三维有限元计算模型。该模型能够考虑龙骨连接点的非线性行为、面板与龙骨之间的相互作用以及吊顶边界处的摩擦和碰撞行为。在OpenSees软件中建立了某足尺振动台试验吊顶的有限元模型，并对其进行了非线性时程分析。通过将模拟得到的加速度、位移和龙骨轴力与振动台试验结果进行对比，验证了所提出的有限元计算模型的正确性。文中所提出的有限元模型为吊顶的抗震性能研究提供了有效的分析工具。
Abstract:
The suspended ceiling(SC)is mainly composed of grid components, threaded rods, and panels which is prone to be damaged during earthquakes, while the finite element model that can accurately reflect its seismic responses is quite limited. To facilitate studying the seismic performance of SCs, a three-dimensional finite element model that can be used to calculate the seismic responses of SC is proposed in this study. The model can consider the nonlinear behavior of grid connections, the interaction between panels and surrounding grid, and the friction and pounding behavior existing at the perimeter. The finite element model of a full-scale shaking table test SC is established in OpenSees software, and the corresponding nonlinear time history analysis is carried out. The comparison results of acceleration, displacement, and axial force of gird components between numerical simulation and experimental results verify the accuracy of the proposed SC model. The finite element model proposed in this study provides an effective analysis tool for the study of SC seismic performance.

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备注/Memo

备注/Memo:
收稿日期:2022-06-29;改回日期:2022-10-04。
基金项目:国家自然科学基金地震联合基金项目(U2239253)
作者简介:黄有露(1995-),男,博士研究生,主要从事吊顶抗震性能研究.E-mail:2010020@tongji.edu.cn
通讯作者:蒋欢军(1973-),男,教授,博士,主要从事建筑抗震防灾研究.E-mail:jhj73@tongji.edu.cn
更新日期/Last Update: 1900-01-01