纤维混凝土加固装配式框架结构体系节点性能分析

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发布时间：2020-01-06 00:00:00

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纤维混凝土加固装配式框架结构体系节点性能分析

Performance Analysis of the Joints in Prefabricated Frame Structure System Strengthened with Fiber Reinforced Concrete

2022年第10期

装配式框架结构；梁柱节点；有限元模拟；纤维混凝土；加固；抗震性能

Prefabricated frame structure; Beam column joint; Finite element simulation; Fiber reinforced concrete; Retrofitting; Seismic performance

2022年第10期

10.19761/j.1000-4637.2022.10.054.06

国家自然科学基金资助项目（51578160）；福州市科技计划项目（2021-Y-082）。

毛会敏1a，颜学渊2，刘旭宏1b，陈伟宏2，杨国3

1.福建工程学院 a.生态环境与城市建设学院；b.土木工程学院福建福州 350118；2.福州大学土木工程学院，福建福州，350116；3.福建九鼎建设集团有限公司，福建福州 350001

毛会敏1a，颜学渊2，刘旭宏1b，陈伟宏2，杨国3

毛会敏,颜学渊,刘旭宏,等.纤维混凝土加固装配式框架结构体系节点性能分析[J].混凝土与水泥制品,2022(10):54-59.

MAO H M,YAN X Y,LIU X H,et al.Performance Analysis of the Joints in Prefabricated Frame Structure System Strengthened with Fiber Reinforced Concrete[J].China Concrete and Cement Products,2022(10):54-59.

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摘要：进行了纤维混凝土加固装配式框架结构体系梁柱节点低周往复加载有限元模拟分析，得到了试件的破坏形态、滞回曲线。结果表明：节点的主要受损区域为梁端键槽区，采用纤维混凝土置换受损区域的混凝土可有效加固节点。其中，当采用聚丙烯纤维混凝土加固时，能恢复节点的抗震性能；当采用钢纤维混凝土、钢-聚丙烯纤维混凝土加固时，不仅可以恢复节点的抗震性能，还可以在一定程度上提高节点的抗震性能。 Abstract: The numerical method was adoptted to simulate the low-frequency cyclic loading of beam column joints of fiber reinforced concrete reinforced prefabricated frame structure system, and the failure patterns and hysteretic curves of the specimens were obtained. The results show that the main damaged area of the joint is the keyway area at the beam end, and using fiber reinforced concrete to replace the concrete in the damaged area can effectively strengthen the joint. When polypropylene fiber reinforced concrete is used to reinforce the joint, the seismic performance of the joint can be completely restored. When steel fiber reinforced concrete and steel-polypropylene fiber reinforced concrete are used to reinforce the joint, the seismic performance of the joint can not only be restored, but also be improved to a certain extent.

英文名 : Performance Analysis of the Joints in Prefabricated Frame Structure System Strengthened with Fiber Reinforced Concrete

刊期 : 2022年第10期

关键词 : 装配式框架结构；梁柱节点；有限元模拟；纤维混凝土；加固；抗震性能

Key words : Prefabricated frame structure; Beam column joint; Finite element simulation; Fiber reinforced concrete; Retrofitting; Seismic performance

刊期 : 2022年第10期

DOI : 10.19761/j.1000-4637.2022.10.054.06

文章编号 :

基金项目 : 国家自然科学基金资助项目（51578160）；福州市科技计划项目（2021-Y-082）。

作者 : 毛会敏1a，颜学渊2，刘旭宏1b，陈伟宏2，杨国3

单位 : 1.福建工程学院 a.生态环境与城市建设学院；b.土木工程学院福建福州 350118；2.福州大学土木工程学院，福建福州，350116；3.福建九鼎建设集团有限公司，福建福州 350001

毛会敏1a，颜学渊2，刘旭宏1b，陈伟宏2，杨国3

毛会敏,颜学渊,刘旭宏,等.纤维混凝土加固装配式框架结构体系节点性能分析[J].混凝土与水泥制品,2022(10):54-59.

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摘要

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结论

参考文献

引用本文

Abstract: The numerical method was adoptted to simulate the low-frequency cyclic loading of beam column joints of fiber reinforced concrete reinforced prefabricated frame structure system, and the failure patterns and hysteretic curves of the specimens were obtained. The results show that the main damaged area of the joint is the keyway area at the beam end, and using fiber reinforced concrete to replace the concrete in the damaged area can effectively strengthen the joint. When polypropylene fiber reinforced concrete is used to reinforce the joint, the seismic performance of the joint can be completely restored. When steel fiber reinforced concrete and steel-polypropylene fiber reinforced concrete are used to reinforce the joint, the seismic performance of the joint can not only be restored, but also be improved to a certain extent.

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纤维混凝土加固装配式框架结构体系节点性能分析

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