混凝土框架,消能减震,屈曲约束支撑,弹塑性时程分析,抗震性能 ," /> 混凝土框架,消能减震,屈曲约束支撑,弹塑性时程分析,抗震性能 ,"/> concrete frame,energy dissipation and shock absorption,Buckling Restrained Braces BRB), ,elastoplastic seismic time history analysis,seismic performance ,"/> <p class="MsoNormal"> 屈曲约束支撑在收尘器混凝土框架减震设计的应用研究
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水泥技术, 2024, 1(6): 66-72    doi: 10.19698/j.cnki.1001-6171.20246066
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屈曲约束支撑在收尘器混凝土框架减震设计的应用研究

天津水泥工业设计研究院有限公司,天津  300400

Research on Application of Buckling Restrained Braces(BRB) in Energy Dissipation and Shock Absorption Design of Dust Collector Concrete Frame

Tianjin Cement Industry Design & Research Institute Co., Ltd. , Tianjin 300400, China

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摘要 

以某抗震设防烈度为9度的水泥厂收尘器下部混凝土框架为研究对象,分别设计了采用耗能型BRB屈曲约束支撑的阻尼器消能减震结构方案和传统的非减震结构方案,并采用PERFORM-3D分析与性能评估软件对两种结构模型进行了地震响应力弹塑性时程计算,对比了两种设计方案的抗震性能。结果表明,屈曲约束支撑能够对结构起到良好的减震作用,在多遇及罕遇地震作用下,减震结构的整体地震力和层间位移角均明显低于非减震结构,抗震性能更高,安全储备更好。采用减震结构相比非减震结构,工程量更少,经济效益更优。

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李顺
王庆江
杨振坤
张福寿
关键词:  混凝土框架')" href="#">

混凝土框架  消能减震  屈曲约束支撑  弹塑性时程分析  抗震性能     

Abstract: 

This artical takes a certain dust collection supporting concrete frame which is at 9-degree seismic fortification zone as the research object. A scheme using BRB buckling constrained support dampers for seismic energy dissipation technology, meanwhile another traditional seismic structural scheme is designed respectively for this supporting frame. PERFORM-3D assessment analysis software is used to calculate the elastic-plastic time history seismic dynamic force of the two structural models, and the seismic performance of the two design schemes is compared. The results show that buckling constrained braces have an effective energy dissipation and seismic reduction effect on this supportign concerete frame. The total earthqueke actions and story lateral drift ratio for structures using seismic reduction are distinct lower than non-seismic reduction structures under multiple or rare earthquake.Energy dissipation structure has better seismic performance and greater safety margin.  Compared with non-seismic reduction structures, seismic energy dissipation structure  has less engineering quantity and better economic benefits.

Key words: 

concrete frame')" href="#">"> concrete frame    energy dissipation and shock absorption    Buckling Restrained Braces BRB         elastoplastic seismic time history analysis    seismic performance

收稿日期:  2024-05-15      修回日期:  2024-11-25           出版日期:  2024-11-25      发布日期:  2024-11-25      整期出版日期:  2024-11-25
ZTFLH:  TU352.1  
引用本文:    
李顺, 王庆江, 杨振坤, 张福寿.

屈曲约束支撑在收尘器混凝土框架减震设计的应用研究 [J]. 水泥技术, 2024, 1(6): 66-72.
LI Shun, WANG Qingjiang, YANG Zhenkun, ZHANG Fushou.

Research on Application of Buckling Restrained Braces(BRB) in Energy Dissipation and Shock Absorption Design of Dust Collector Concrete Frame . Cement Technology, 2024, 1(6): 66-72.

链接本文:  
http://www.cemteck.com/CN/10.19698/j.cnki.1001-6171.20246066  或          http://www.cemteck.com/CN/Y2024/V1/I6/66
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水泥厂窑尾钢框架结构地震响应分析及优化
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