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平移式预制混凝土外挂墙板连接节点设计方法及受力性能分析*
江韩,赵学斐,苗宏恩
摘 要

(南京长江都市建筑设计股份有限公司, 南京 210000)

[摘要]结合某实际工程项目研究了平移式预制混凝土外挂墙板连接节点设计方法。首先结合建筑功能需求提出了墙板的板型划分和运动模式选择原则,根据平移式预制混凝土外挂墙板的运动需求研发了外挂墙板与主体结构钢梁的连接构造,然后结合现行国家规范确定了预制混凝土外挂墙板的性能目标,并根据外挂墙板的运动模式提出了不同工况下连接节点的力学模型及性能化设计方法,最后给出了具体工程实例。提出的设计方法能实现平移式预制混凝土外挂墙板小震弹性,连接节点中震弹性、大震不屈服的性能目标,能够保证墙板的安全性能。

[关键词]平移式预制混凝土外挂墙板;连接节点;抗震性能

中图分类号:TU375文献标识码:A文章编号:1002-848X(2021)05-0041-07

 

Design method and mechanical behavior analysis of translational precast concrete facade wall panel connecting joints

JIANG Han, ZHAO Xuefei, MIAO Hong′en

(Nanjing Yangtze River Urban Architectural Design Co., Ltd., Nanjing 210000, China)

Abstract:The design method of the connecting joints of the translation precast concrete facade wall panels was studied in a practical project. First, panel type division and movement mode selection principle of the wall panel was put forward considering building functional requirements, and the connection structure between facade wall panel and the steel beam of main structure was researched according to a translational precast concrete facade wall panel movement needs. Then, combined with the existing national standards, the performance goals were determined for the precast concrete facade wall panel. According to the facade wall movement mode, mechanical models and the performance-based design method of connecting joints under different working conditions were put forward. Finally, a concrete engineering example was given. The proposed design method can realize the performance goals of the translational precast concrete facade wall panel with elasticity under frequent earthquake, elasticity of the connecting joint under fortification earthquake and non-yielding under rare earthquake, and the safety performance of the wall panel can be guaranteed.

Keywords:translational precast concrete facade wall panel;connecting joint;seismic performance

 

*“十三五”国家重点研发计划“工业化建筑部品与构配件制造关键技术研究与示范”(2017YFC0703700)之课题“复杂造型混凝土建筑部品和装饰构配件的柔性制造技术研究与示范”(2017YFC0703705)。

 

作者简介:江韩,博士,研究员级高级工程师,一级注册结构工程师,Email:892431362@qq.com;通信作者:赵学斐,博士,高级工程师,Email:799346684@qq.com。

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