可更换复合耗能组件装配式柱脚节点滞回性能研究

张爱林; 范赛雪; 姜子钦

doi:10.3724/j.gyjzG25040203

可更换复合耗能组件装配式柱脚节点滞回性能研究

doi: 10.3724/j.gyjzG25040203

张爱林^1,2,
范赛雪¹,
姜子钦^1,2, ,

1. 北京工业大学建筑工程学院, 北京 100124;
2. 北京工业大学, 北京市高层和大跨度预应力钢结构工程技术研究中心, 北京 100124

基金项目:

国家自然科学基金项目（52078013）。

详细信息

作者简介:
张爱林，教授，博士生导师，主要从事装配式钢结构方面的研究， zhangal@bjut.edu.cn。

通讯作者:
姜子钦，教授，博士生导师，主要从事装配式钢结构方面的研究， jzqbj2010@163.com。

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出版历程
- 收稿日期: 2025-04-02
- 网络出版日期: 2026-02-26
- 刊出日期: 2026-01-22

Research on Hysteretic Performance of Prefabricated Column-Base Joints with Replaceable Composite Energy-Dissipation Components

ZHANG Ailin^1,2,
FAN Saixue¹,
JIANG Ziqin^{1,2
, ,}

1. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China;
2. Beijing Engineering Research Center of High-Rise and Large-Span Prestressed Steel Structure, Beijing University of Technology, Beijing 100124, China

摘要

摘要: 基于塑性损伤控制、耗能元件可更换等设计理念，提出一种可更换复合耗能组件装配式柱脚节点。该节点由H型钢柱及复合耗能组件（包含L形拉压耗能板、剪切耗能装置）通过高强螺栓拼装而成，形成“拉压-剪切”双重耗能机制，在保证承载力的同时实现损伤可控和震后可更换功能。采用ABAQUS软件建立10个节点算例进行循环往复加载模拟，对比研究不同参数节点算例的滞回曲线、骨架曲线及应力分布差异，总结关键参数对节点滞回性能的影响规律。结果表明：L形拉压耗能板宽度比、厚度比以及轴压比均是影响新型柱脚节点滞回性能的重要参数；增大L形拉压耗能板宽度比、厚度比均可有效提高节点承载能力，但同时会增大结构柱应力，建议宽度比、厚度比取值分别为0.3~0.7、0.5~1.0；增大轴压比会使节点延性降低，影响结构安全性和可靠性。
- 装配式柱脚节点 /
- 复合耗能组件 /
- 数值分析 /
- 滞回性能
Abstract: Based on the design concepts of plastic damage control and replaceable energy-dissipation components， a prefabricated column-base joint with replaceable composite energy-dissipation components is proposed. The joint consists of H-shaped steel columns and composite energy-dissipation components （including L-shaped tension-compression energy-dissipation plates and shear energy-dissipation devices） assembled with high-strength bolts， forming a “tension/compression-shear” dual energy-dissipation mechanism that ensures the bearing capacity and enables damage control and post-earthquake replacement. A total of ten joint models were established in ABAQUS software to simulate their behavior under cyclic loading. The hysteretic curves， skeleton curves，and stress distribution differences of joint models with different parameters were compared and analyzed， and the influence laws of key parameters on the hysteretic performance of joints were summarized. The results showed that the width ratio and thickness ratio of the L-shaped tension-compression energy-dissipation plates， as well as the axial compression ratio， were all important parameters affecting the hysteretic performance of the novel column-base joints. Increasing the width ratio and thickness ratio of L-shaped tension-compression energy-dissipation plates effectively improved the bearing capacity of the joints， but also increased the stress in the structural columns. It was suggested that the width ratio and thickness ratio should be in the ranges of 0.3-0.7 and 0.5-1.0， respectively. Increasing the axial compression ratio reduced the ductility of the joints， thereby affecting the safety and reliability of the structure.
- prefabricated column-base joint /
- composite energy-dissipation components /
- numerical analysis /
- hysteretic performance

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