带环梁的方钢管约束钢骨混凝土柱-钢梁节点滞回性能有限元分析

doi:10.13229/j.cnki.jdxbgxb20171065

吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (5): 1426-1435.doi: 10.13229/j.cnki.jdxbgxb20171065

带环梁的方钢管约束钢骨混凝土柱-钢梁节点滞回性能有限元分析

戴岩^1,2, 聂少锋¹, 周天华¹

1.长安大学建筑工程学院,西安 710061;
2.西安交通基本建设工程质量监督站,西安 710065

收稿日期:2018-03-05 出版日期:2018-09-20 发布日期:2018-12-11
作者简介:戴岩(1984-),男,高级工程师,博士研究生.研究方向:结构工程,桥梁与隧道工程.E-mail:783041867@qq.com
基金资助:
国家自然科学基金项目(51408052);陕西省青年科技新星项目(2016KJXX-51);陕西省重点研发计划项目(2018SF-354)

Finite element analysis of hysteretic behavior of square steel tube confined steel reinforced concrete column steel frame ring beam joint

DAI Yan^1,2, NIE Shao-feng¹, ZHOU Tian-hua¹

1.School of Civil Engineering, Chang'an University, Xi'an 710061,China;
2.Xi'an Traffic Construction Quality Supervision Station, Xi'an 710065, China

Received:2018-03-05 Online:2018-09-20 Published:2018-12-11

摘要/Abstract

摘要： 设计了两类不同钢骨形式带环梁的方钢管约束钢骨混凝土柱-钢梁节点,运用ABAQUS有限元软件建立了该节点的数值分析模型。分析了此类节点的滞回性能、应力分布及破坏形态,考察了外钢管径厚比、内钢骨形式、节点区高度、混凝土强度及轴压比5个参数对该节点抗震性能的影响。结果表明:该类节点滞回曲线饱满,耗能性能良好,且应力分布及破坏形态符合抗震设计中“强柱、弱梁、节点更强”的要求,为今后该类节点的设计和研究提供了理论支撑。

关键词: 结构工程, 钢管约束钢骨混凝土柱, 滞回性能, 环梁, 骨架曲线, 应力分布

Abstract: Two kinds of different shapes of steel square tube confined steel reinforced concrete column steel frame ring beam joint were designed. ABAQUS finite element software was used to establish the numerical analysis model of the node. The hysteretic behavior, stress distribution and failure mode of the joints were analyzed. The influences of the outer diameter thickness ratio of steel tube, steel form, joint height, concrete strength and axial compression ratio on the seismic performance of the nodes were also investigated. The results show that the hysteresis curves of this kind of node are full and the energy dissipation is good, the steel distribution and failure mode are in accordance with the requirement of "strong column, weak beam and stronger joint" in seismic design. This study provides theoretical support for the design and research of this kind of nodes.

Key words: structure engineering, steel tube confined steel reinforced concrete columns, hysteretic behavior, ring beam, skeleton curve, stress distribution

中图分类号:

TU398

戴岩, 聂少锋, 周天华. 带环梁的方钢管约束钢骨混凝土柱-钢梁节点滞回性能有限元分析[J]. 吉林大学学报(工学版), 2018, 48(5): 1426-1435.

DAI Yan, NIE Shao-feng, ZHOU Tian-hua. Finite element analysis of hysteretic behavior of square steel tube confined steel reinforced concrete column steel frame ring beam joint[J]. Journal of Jilin University(Engineering and Technology Edition), 2018, 48(5): 1426-1435.

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带环梁的方钢管约束钢骨混凝土柱-钢梁节点滞回性能有限元分析

Finite element analysis of hysteretic behavior of square steel tube confined steel reinforced concrete column steel frame ring beam joint

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