[1]袁晓洒,张力,刘方,等.不同跨高比对多层钢框架内填混凝土深梁结构抗震性能影响[J].世界地震工程,2021,(01):034-40.
 YUAN Xiaosa,ZHANG Li,LIU Fang,et al.Influence of span-depth ratios on the seismic performance of the in-filled concrete deep-beam structure in multi-storey steel frames[J].,2021,(01):034-40.
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不同跨高比对多层钢框架内填混凝土深梁结构抗震性能影响
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《世界地震工程》[ISSN:/CN:]

卷:
期数:
2021年01期
页码:
034-40
栏目:
出版日期:
2021-02-22

文章信息/Info

Title:
Influence of span-depth ratios on the seismic performance of the in-filled concrete deep-beam structure in multi-storey steel frames
作者:
袁晓洒12 张力12 刘方12 贾腾飞3 贾星亮12
1. 西京学院 土木工程学院,陕西 西安 710123;
2. 西京学院 陕西省混凝土结构安全与耐久性重点实验室,陕西 西安 710123;
3. 西安基准方中建筑设计院,陕西 西安 710054
Author(s):
YUAN Xiaosa12 ZHANG Li12 LIU Fang12 JIA Tengfei3 JIA Xingliang12
1. School of Civil Engineering,Xijing University,Xi’an 710123, China;
2. Shaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University,Xi’an 710123, China;
3. Xi’an Jizhun Fangzhong Architectural Design Firm,Xi’an 710054, China
关键词:
混凝土深梁钢框架弹塑性时程分析抗侧移性能抗震性能
Keywords:
concrete deep beamsteel frameelastic-plastic time-history analysisanti-lateral displacement propertyanti-seismic property
分类号:
TU392.4
摘要:
为了研究不同跨高比多层钢框架内填混凝土深梁结构的抗震性能,在钢框架内填混凝土深梁滞回性能试验的基础上,利用ABAQUS对六层纯钢框架(结构一)、钢框架内填跨高比为2混凝土深梁结构(结构二)和钢框架内填跨高比为0.75混凝土深梁结构(结构三)进行弹塑性时程分析。结果表明:内填混凝土深梁使结构整体刚度明显增大;在地震波的作用下,结构二的最大顶点位移降低可达58.3%,结构三的最大顶点位移降低可达89.3%,内填混凝土深梁,结构的抗侧移性能得到了极大改善,且随着深梁跨高比的减小而大幅度提升;结构二滞回曲线饱满,呈现纺锤形,混凝土深梁充分起到了第一道防线作用。经济合理的钢框架内填混凝土深梁结构具有一定的工程应用价值。
Abstract:
To study the sesmic performance of the in-filled concrete deep beams in multi-storey steel frames with different span-depth ratios, ABAQUS models are made based the cyclic test to carried out the elastic-plastic time-history analyses for the six-storey pure steel frame (Structure 1), the steel frame with an in-filled concrete deep-beam structure whose span-depth ratio is 2 (Structure 2) and the steel frame with an in-filled concrete deep-beam structure whose span-depth ratio is 0.75 (Structure 3). It is shown from the results that the in-filled concrete deep beams have made the whole stiffness of the structure increase remarkably. Influenced by seismic waves, the maximum top displacement of Structure 2 can be reduced by 58.3% while that of Structure 3 by 89.3%. It is obvious that the anti-lateral displacement performance of the in-filled concrete deep beams has been improved significantly and upgraded with a large margin along by reducing the span-depth ratios of the deep beam. The hysteretic curve of Structure 2 is plump and spindle-shaped. There is no doubt that the concrete deep beams have fully functioned as the first defensive line. The economic and rational steel frame with an in-filled concrete deep-beam structure is of a certain value in engineering applications.

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备注/Memo

备注/Memo:
收稿日期:2019-9-3;改回日期:2020-10-12。
基金项目:国家自然科学基金(50678025);陕西省教育厅专项科研计划项目(19JK0911);西京学院高层次人才专项基金项目(XJ19B04)
作者简介:袁晓洒(1984-)女,博士,副教授,主要从事钢与混凝土材料及结构理论分析及应用研究.E-mail:yuanxiaosa2009@163.com
更新日期/Last Update: 2021-02-22