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带顶底L型件的装配式梁柱节点参数分析

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提出了一种新型装配式梁柱节点形式,框架梁通过顶底L型件与框架柱相连,实现全螺栓装配化施工。前期对带顶底L型件的装配式梁柱节点足尺试件进行了拟静力试验研究,对该节点的抗震性能进行了分析,以试验研究为基础,通过ABAQUS有限元分析软件,进行该节点的参数拓展分析,分析该节点设计参数对带顶底L型件的装配式梁柱节点受力性能的影响。首先建立足尺试件的有限元分析模型,验证了有限元分析过程的精确性;然后考虑节点L型件形式、竖板/横板厚度、横板长度、加劲肋个数以及端板厚度变化对装配式连接节点的受力性能的影响,以期对带顶底L型件的装配式梁柱节点的设计和优化提供工程建议。
Parametric analysis of assembled beam-column joints with top and bottom L-shaped members
A new type of assembled beam-column joint is proposed,in which the frame beam is connected to the frame column by means of a top-bottom L-shaped member to achieve fully bolted assembly construc-tion.In this paper,based on the experimental study,the ABAQUS finite element analysis software is used to carry out an extended parametric analysis of this new type of assembled joint to study the effect of the joint design parameters on the force performance of the assembled beam-column joint with top-bottom L-shaped member.First,the finite element analysis model of the specimen was established to verify the accu-racy of the finite element analysis process.Then the form of the L-shaped member of the joint,the thick-ness of the vertical plate of the L-shaped member,the thickness of the horizontal plate of the L-shaped member,and the length of the horizontal plate of the L-shaped member were considered.The results of the study are intended to provide engineering suggestions for the design and optimization of assembled beam-column joints with top and bottom L-shaped members.

assembled beam-column jointL-shaped memberparametric analysisfinite element analysis

李晓蕾、李雪艳、李慎、刘珏

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西安理工大学土木建筑工程学院,710048 西安

中国建筑西北设计研究院有限公司,710018 西安

装配式梁柱节点 L型连接件 参数分析 有限元分析

2024

应用力学学报
西安交通大学

应用力学学报

CSTPCD北大核心
影响因子:0.398
ISSN:1000-4939
年,卷(期):2024.41(6)