摩擦耗能型柱脚节点抗弯性能研究

李成玉; 邓洲; 吴东平; 陈焰周

doi:10.3724/j.gyjzG25010606

摩擦耗能型柱脚节点抗弯性能研究

doi: 10.3724/j.gyjzG25010606

李成玉^1,2,
邓洲¹,
吴东平^1,2,
陈焰周^3, ,

1. 武汉科技大学城市建设学院, 武汉 430065;
2. 武汉科技大学, 城市更新湖北省工程研究中心, 武汉 430065;
3. 中南建筑设计院股份有限公司, 武汉 430071

基金项目:

国家自然科学基金项目（51878522）；湖北省住建厅科技计划项目（［2023］1656号-078）。

详细信息

作者简介:
李成玉，博士，教授，主要从事钢结构抗震损伤控制方面的研究，lee_chengyu@163.com。

通讯作者:
陈焰周，博士，正高级工程师，主要从事钢结构设计与研究，chenyanzhou1983@qq.com。

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出版历程
- 收稿日期: 2025-01-06
- 网络出版日期: 2026-08-31
- 刊出日期: 2026-07-20

Research on the Flexural Performance of Friction Energy-Dissipating Column Bases

1. School of Urban Construction, Wuhan University of Science and Technology, Wuhan 430065, China;
2. Hubei Provincial Engineering Research Center of Urban Regeneration, Wuhan University of Science and Technology, Wuhan 430065, China;
3. Central- South Architectural Design Institute Co., Ltd., Wuhan 430071, China

摘要

摘要: 摩擦耗能型柱脚节点作为钢结构建筑中一种新型抗震构造形式，其力学性能对结构的影响显著。为研究摩擦耗能型柱脚节点的抗弯性能，采用有限元软件ABAQUS对5个摩擦耗能型柱脚节点进行单调水平加载分析，研究摩擦耗能型柱脚节点抗弯性能以及抗弯承载力的组成和计算方法，提出摩擦耗能型柱脚节点抗弯承载力的理论公式，分析节点在单调水平位移加载下的承载力变化并与理论公式进行对比验证。研究表明：在单调水平加载下各节点模型均表现为半刚性，节点损伤主要分布在次要构件上，能够充分发挥其摩擦性能，降低主体结构的损伤；摩擦耗能型柱脚节点抗弯承载力的统一理论公式能较为准确地验证5种摩擦耗能型柱脚节点抗弯承载力，为该类型节点在实际工程中的应用提供参考。
- 柱脚节点 /
- 摩擦耗能 /
- 抗弯承载力 /
- 刚度 /
- 低损伤
Abstract: The friction energy-dissipating column base， as a novel form of seismic construction in steel structures， has a significant impact on the mechanical properties of structures. To investigate its flexural performance， five such column base specimens were analyzed under monotonic horizontal loading using the finite element software ABAQUS. The study examined the flexural performance， the composition of the flexural capacity， and the calculation methods for these column bases. A theoretical formula for predicting the flexural capacity of friction energy-dissipating column bases was proposed. The variation in bearing capacity under monotonic horizontal displacement loading was analyzed and compared with the theoretical formula for verification. The results showed that under monotonic horizontal loading， all column base models exhibited semi-rigid behavior， with damage primarily distributed in secondary components. This allowed the column base to fully utilize its frictional performance， thereby reducing damage to the main structure. The unified theoretical formula for the flexural capacity of friction energy-dissipating column bases can accurately predict the flexural capacity of the five types of column bases， providing a valuable reference for their application in practical engineering.
- column base /
- friction energy dissipation /
- flexural capacity /
- stiffness /
- low damage

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参考文献(16)

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