钢管混凝土柱-钢梁外环板节点抗弯承载力计算方法

王文达; 秦庚; 张鹏鹏

doi:10.11835/j.issn.1674-4764.2011.04.006

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钢管混凝土柱-钢梁外环板节点抗弯承载力计算方法

更新时间：2023-11-28

- 钢管混凝土柱-钢梁外环板节点抗弯承载力计算方法
- Design Approach on Flexural Load-carrying Capacity of Steel Beam to CFST Column Joints with External Stiffening Ring
- 土木与环境工程学报（中英文） 2011年33卷第4期页码：29-34
- 作者机构：
  
  1. 兰州理工大学甘肃省土木工程防灾减灾重点实验室
  2. 土木工程学院,兰州,730050
  3. 兰州理工大学土木工程学院,兰州,730050
- 作者简介：
- 基金信息：
  
  甘肃省高校基本科研业务费专项(0904ZTB147）
- DOI：10.11835/j.issn.1674-4764.2011.04.006
  中图分类号：
- 纸质出版：2011
- 稿件说明：
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王文达, 秦庚, 张鹏鹏. 钢管混凝土柱-钢梁外环板节点抗弯承载力计算方法[J]. 土木与环境工程学报（中英文）, 2011,33(4):29-34.

WANG Wen-da, QIN Geng, ZHANG Peng-peng. Design Approach on Flexural Load-carrying Capacity of Steel Beam to CFST Column Joints with External Stiffening Ring[J]. Journal of Civil and Environmental Engineering, 2011, 33(4): 29-34.
王文达, 秦庚, 张鹏鹏. 钢管混凝土柱-钢梁外环板节点抗弯承载力计算方法[J]. 土木与环境工程学报（中英文）, 2011,33(4):29-34. DOI： 10.11835/j.issn.1674-4764.2011.04.006.

WANG Wen-da, QIN Geng, ZHANG Peng-peng. Design Approach on Flexural Load-carrying Capacity of Steel Beam to CFST Column Joints with External Stiffening Ring[J]. Journal of Civil and Environmental Engineering, 2011, 33(4): 29-34. DOI： 10.11835/j.issn.1674-4764.2011.04.006.

摘要

基于ABAQUS软件建立了钢管混凝土柱-钢梁环板节点的三维有限元数值模型

通过已有试验结果与数值计算结果的对比校验了有限元模型的适用性。基于数值分析结果

分析了此类节点的受力特性

并利用有限元模型进行了参数分析

探讨了环板宽度、柱截面含钢率、钢梁极限弯矩、钢管强度、钢梁材料强度、混凝土强度、柱轴压比、梁柱线刚度比等参数对此类节点抗弯承载力的影响规律。在参数分析的基础上建议了此类节点的抗弯承载力简化计算公式

简化计算结果与有限元计算结果总体上吻合良好。

Abstract

A 3-D finite element model is established by ABAQUS to simulate the behavior of the joints with concrete-filled steel tubular (CFST) column to steel beam using external stiffening ring.The load versus deformation curves of this type of joints are compared between theoretical and experimental results

and in good agreement.Parametric analysis is performed to study the flexural load-carrying capacity of the joint.The width of external stiffening ring

the steel ratio of CFST column

the ultimate strength of steel beam

the strength of steel tube and beam

the concrete strength

the axial load ratio

and the beam to column linear stiffness ratio are considered as parameters.The simplified practical design approach is proposed based on parameter analysis of the flexural load-carrying capacity of these joints.The practical calculated values are in good agreement with the FEM results.

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