Analysis of Seismic Performance of Energy-dissipation for Prefabricated Concrete Beam-column Joint

吴从晓; 张玉凤; 邓雪松; 张超

doi:10.13409/j.cnki.jdpme.2017.01.009

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Analysis of Seismic Performance of Energy-dissipation for Prefabricated Concrete Beam-column Joint

更新时间：2025-12-11

- Analysis of Seismic Performance of Energy-dissipation for Prefabricated Concrete Beam-column Joint
- Vol. 37, Issue 1, Pages: 62-70(2017)
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- DOI：10.13409/j.cnki.jdpme.2017.01.009
  CLC： U352.1
- Published：2017
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[1]吴从晓,张玉凤,邓雪松,张超.装配式消能减震混凝土梁柱节点抗震性能研究[J].防灾减灾工程学报,2017,37(01):62-70.

吴从晓, 张玉凤, 邓雪松, et al. Analysis of Seismic Performance of Energy-dissipation for Prefabricated Concrete Beam-column Joint[J]. 2017, 37(1): 62-70.
[1]吴从晓,张玉凤,邓雪松,张超.装配式消能减震混凝土梁柱节点抗震性能研究[J].防灾减灾工程学报,2017,37(01):62-70. DOI： 10.13409/j.cnki.jdpme.2017.01.009.

吴从晓, 张玉凤, 邓雪松, et al. Analysis of Seismic Performance of Energy-dissipation for Prefabricated Concrete Beam-column Joint[J]. 2017, 37(1): 62-70. DOI： 10.13409/j.cnki.jdpme.2017.01.009.

摘要

对装设扇形铅粘弹性阻尼器的预制装配式混凝土框架梁柱节点进行了数值仿真分析

并与试验结果进行了对比

验证数值仿真分析的正确性;对比分析了普通预制节点与消能减震梁柱节点的抗震性能

并分析了不同设计参数对消能减震节点构件抗震性能的影响。分析结果表明:与普通预制节点相比

扇形铅粘弹性阻尼器在一定程度上提高了节点的初始刚度和承载力

增强了构件的耗能能力;随着轴压比的增加

混凝土材料应力下降明显;随着铅芯直径、橡胶硬度以及扇形半径的增加

构件抗震性能提高

但当阻尼器扇形半径超过某一数值时

构件抗震性能还会出现降级现象。

Abstract

Analysis of prefabricated concrete beam column joint with sector lead viscoelastic damper（SLVD）is carried out and validated by comparing with experimental results.Comparison of seismic performance of joint between energy-dissipation and ordinary joint is conducted.Then analysis results in different design parameter cases are carried out for energy-dissipative specimen under different design parameters.It is shown that compared with ordinary prefabricated joint

the component joint with SLVD improves the initial stiffness and bearing capacity and enhances the energy-dissipation capacity of specimen in a certain degree.With the increase of axial compression ratio

stress of concrete decreases obviously.Seismic performance of specimen improves with the increasing lead diameter

rubber hardness and sector radius

when the sector radius of damper is over a certain value

seismic performance of specimen degrades.

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references

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