[1]杨锐,毋剑平,孙洁,等.既有双曲砖拱结构抗震性能分析与加固对策研究[J].地震工程与工程振动,2022,42(06):171-183.[doi:10.13197/j.eeed.2022.0619]
 YANG Rui,WU Jianping,SUN Jie,et al.Seismic performance analysis and strengthening strategies of existing double-curvature brick structures[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2022,42(06):171-183.[doi:10.13197/j.eeed.2022.0619]
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既有双曲砖拱结构抗震性能分析与加固对策研究
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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:
171-183
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:
Seismic performance analysis and strengthening strategies of existing double-curvature brick structures
作者:
杨锐1 毋剑平1 孙洁2 朱兆晴3 罗开海1
1. 中国建筑科学研究院, 北京 100013;
2. 合肥工业大学设计院有限责任公司, 安徽 合肥 230001;
3. 安徽省建筑设计研究总院股份有限公司, 安徽 合肥 230051
Author(s):
YANG Rui1 WU Jianping1 SUN Jie2 ZHU Zhaoqing3 LUO Kaihai1
1. China Academy of Building Research, Beijing 100013, China;
2. Hefei University of Technology Design Institute, Hefei 230001, China;
3. Anhui Architectural Design and Research Institute Co., Ltd., Hefei 230051, China
关键词:
砌体结构双曲砖拱屋盖抗震加固有限元模拟
Keywords:
masonry structuredouble curved brick arch roofseismic reinforcementfinite element simulation
分类号:
TU352.11
DOI:
10.13197/j.eeed.2022.0619
摘要:
文中在阐述双曲砖拱受力特点与震害特征的基础上,简要梳理了既有双曲砖拱结构加固改造中存在的问题。然后以某既有双曲砖拱厂房改造为例,对其在静载和地震工况下的力学性能及响应规律进行有限元分析与总结。结果表明:下弦拉杆系统是维持双曲砖拱屋盖稳定受力状态的关键环节,工程中应给予重点关注;完整的双曲砖拱和下拉杆屋盖体系是自平衡的受力体系,受地震作用影响较小;山墙是此类建筑横向抗震的主要构件,若与屋盖结构拉结不足则容易存在局部振动,地震中易受损害,应注意采取加固和改善措施。最后针对仿真分析中发现的问题,提出了进一步加固完善的建议方案。
Abstract:
This paper briefly reviews the problems existing in the reinforcement and reconstruction of existing double curved brick arch structures on the basis of introducing its mechnical and seismic damage characteristics. Then, taking the reconstruction of an existing double curved brick arch plant as an example, the mechanical properties and response under static load and earthquake conditions are analyzed and summarized by the finite element method. The results show that the lower chord tie rod system is the key link to maintain stable of the double curved brick arch roof, which should be paid more attention in engineering. The complete double curved brick arch and bottom tie rod roof system is a self-balanced system, and the earthquake has little effect on it. Gable is the main seismic component under lateral force. If the connection with roof structure is insufficient, it is prone to local vibration and vulnerable to damage in earthquakes, which should be reinforced and taken effective measures. Finally, some suggestions for further reinforcement and improvement are put forward in view of the problems found in the simulation analysis.

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备注/Memo

备注/Memo:
收稿日期:2022-06-24;改回日期:2022-08-16。
基金项目:中国建筑科学研究院有限公司院士工作站科研基金项目(20220122330730021);国家重点研发计划项目(2022YFC3803000);建研科技科研基金项目(20201902977180011)
作者简介:杨锐(1995-),女,博士研究生,主要从事工程抗震研究.E-mail:ruiyang1120@126.com
通讯作者:罗开海(1973-),男,研究员,博士,主要从事工程抗震研究.E-mail:nile-fisher@hotmail.com
更新日期/Last Update: 1900-01-01