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含转动摩擦型干式梁-柱节点的新型装配式混凝土框架结构抗震性能研究

杨参天 李爱群 贾军波

杨参天, 李爱群, 贾军波. 含转动摩擦型干式梁-柱节点的新型装配式混凝土框架结构抗震性能研究[J]. 工程力学, 2022, 39(8): 223-231. doi: 10.6052/j.issn.1000-4750.2021.05.0345
引用本文: 杨参天, 李爱群, 贾军波. 含转动摩擦型干式梁-柱节点的新型装配式混凝土框架结构抗震性能研究[J]. 工程力学, 2022, 39(8): 223-231. doi: 10.6052/j.issn.1000-4750.2021.05.0345
YANG Can-tian, LI Ai-qun, JIA Jun-bo. THE SEISMIC PERFORMANCE OF PRECAST CONCRETE FRAME STRUCTURES WITH DRY-CONNECTED ROTATIONAL FRICTION BEAM-COLUMN JOINTS[J]. Engineering Mechanics, 2022, 39(8): 223-231. doi: 10.6052/j.issn.1000-4750.2021.05.0345
Citation: YANG Can-tian, LI Ai-qun, JIA Jun-bo. THE SEISMIC PERFORMANCE OF PRECAST CONCRETE FRAME STRUCTURES WITH DRY-CONNECTED ROTATIONAL FRICTION BEAM-COLUMN JOINTS[J]. Engineering Mechanics, 2022, 39(8): 223-231. doi: 10.6052/j.issn.1000-4750.2021.05.0345

含转动摩擦型干式梁-柱节点的新型装配式混凝土框架结构抗震性能研究

doi: 10.6052/j.issn.1000-4750.2021.05.0345
基金项目: 国家自然科学基金项目(51808029);国家重点研发计划课题项目(2017YFC0703602);东南大学优秀博士学位论文培育基金项目(YBPY2021);建大英才项目(JDYC20200306)
详细信息
    作者简介:

    杨参天(1993−),男,山西晋城人,博士生,主要从事结构减振控制和装配式建筑研究(E-mail: yangcantian@outlook.com)

    贾军波(1979−),男,北京人,挪威工程院院士,博士,主要从事结构工程研究(E-mail: junbojia2001@yahoo.com)

    通讯作者:

    李爱群(1962−),男,湖南耒阳人,教授,博士,博导,主要从事工程防灾减灾研究(E-mail: liaiqun@bucea.edu.cn)

  • 中图分类号: TU318

THE SEISMIC PERFORMANCE OF PRECAST CONCRETE FRAME STRUCTURES WITH DRY-CONNECTED ROTATIONAL FRICTION BEAM-COLUMN JOINTS

  • 摘要: 该研究提出了一种转动摩擦型干式装配梁-柱节点(rotational friction dissipative joint, RFDJ),具有刚度、屈服弯矩易调控和变形、耗能能力强的特点。为了研究RFDJ对于装配式框架结构抗震性能的影响并验证其可行性,该研究以含RFDJ和灌浆套筒柱脚节点的新型装配式框架结构体系(novel precast concrete frame, NPCF)作为研究对象,基于2个不同楼层数量的传统现浇框架结构(reinforced concrete frame, RCF)分析案例,综合考虑总起滑弯矩比(ρ)和3种起滑弯矩(Ms)分布模式影响,设计了120个NPCF结构分析案例,开展了多遇和罕遇地震作用下的结构非线性时程分析,结果表明:RFDJ具备用于装配式框架结构的可行性,可实现等同或优于RCF的抗震性能;ρMs分布模式是决定NPCF抗震性能的关键设计参数;结构响应随ρ的增加而降低;Ms分布模式对结构的地震响应控制机制具有显著影响,均匀累积分布模式可以最小的ρ值实现最好的层间位移角控制效果,且有利于节点深化设计和施工。该研究成果可为含干式梁-柱节点的装配式框架结构的研发和设计方法的研究提供参考。
  • 图  1  RFDJ构造

    Figure  1.  Configuration of RFDJ

    图  2  RFDJ理论转角-弯矩关系

    Figure  2.  Theoretical moment-rotation relationship of RFDJ

    图  3  含RFDJ和灌浆套筒柱脚的新型装配式框架结构体系

    Figure  3.  Novel precast concrete frame with RFDJs and grouted sleeve column-base joints

    图  4  分析案例结构布置图 /m

    Figure  4.  Plan view of study cases

    图  5  NPCF设计案例考虑的3种Ms分布模式αi取值

    Figure  5.  Values of αi of three Ms distribution patterns of NPCF study cases

    图  6  RFDJ宏观数值模型

    Figure  6.  Macro numerical model of RFDJ

    图  7  选取地震动反应谱与规范反应谱对比

    Figure  7.  Comparison between mean spectra of selected ground motions and design spectrum of code

    图  8  PCF6分析案例最大层间位移角

    Figure  8.  Maximum inter-story drift ratio of NPCF6

    图  9  NPCF9分析案例最大层间位移角

    Figure  9.  Maximum inter-story drift ratio of NPCF9

    图  10  最优案例结构层间位移角分布

    Figure  10.  Distribution of story drift ratio (θ) of optimal study cases

    图  11  最优案例结构罕遇地震作用下RFDJ弯矩利用率

    Figure  11.  RFDJ moment usage ratio of optimal study cases under MCE

    表  1  最优案例结构罕遇地震作用下的Rθ, min及对应的ρ

    Table  1.   Values of Rθ, min and ρ of optimal study cases under MCE

    Ms分布模式NPCF6NPCF9
    ρRθ, min/(%)ρRθ, min/(%)
    均匀分布22.00−17.1223.00−24.54
    均匀累积分布8.50−21.0412.00−26.31
    一阶振型位移角分布16.00−17.1226.00−24.54
    注:ρ为总起滑弯矩比;Rθ,min为NPCF与RCF最大层间位移角的相对差值。
    下载: 导出CSV

    表  2  最优案例结构罕遇地震作用下的DCF

    Table  2.   DCF of study cases under MCE

    Ms分布模式NPCF6NPCF9
    ρDCFρDCF
    均匀分布22.001.3523.001.43
    均匀累积分布8.501.2412.001.26
    一阶振型位移角分布16.001.3526.001.43
    注:ρ为总起滑弯矩比;DCF为层间位移角集中系数。
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-05-08
  • 修回日期:  2021-07-10
  • 网络出版日期:  2021-07-22
  • 刊出日期:  2022-08-01

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