Parametric Analysis of Planar Frames with Box-Column Core-Barrel Double-Flange Joints

Zhang Ailin; Chen Jiawei; Zhang Yanxia; Liu Anran; Ni Yubo

doi:10.13206/j.gjgS24060101

Volume 40 Issue 9

Sep. 2025

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Zhang Ailin, Chen Jiawei, Zhang Yanxia, Liu Anran, Ni Yubo. Parametric Analysis of Planar Frames with Box-Column Core-Barrel Double-Flange Joints[J]. STEEL CONSTRUCTION(Chinese & English), 2025, 40(9): 1-12. doi: 10.13206/j.gjgS24060101

Citation:

Zhang Ailin, Chen Jiawei, Zhang Yanxia, Liu Anran, Ni Yubo. Parametric Analysis of Planar Frames with Box-Column Core-Barrel Double-Flange Joints[J]. STEEL CONSTRUCTION(Chinese & English), 2025, 40(9): 1-12. doi: 10.13206/j.gjgS24060101

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Parametric Analysis of Planar Frames with Box-Column Core-Barrel Double-Flange Joints

doi: 10.13206/j.gjgS24060101

1. School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
2. Beijing Advanced Innovation Center for Future Urban Design, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
3. Beijing Engineering Research Center of High-Rise and Large-Span Prestressed Steel Structure, Beijing University of Technology, Beijing 100124, China

Received Date: 2024-06-01
Available Online: 2025-11-05
Publish Date: 2025-09-22

Abstract

Abstract

Based on the proposed static test of a plane frame with box-column core-barrel double-flange joints， a numerical simulation of the test was carried out using the large-scale general-purpose finite element software ABAQUS. The hysteresis curves， stiffness degradation， and stress-strain relationships of the plane frame with core-barrel double-flange joints were validated bidirectionally between the test and the numerical simulation. The average difference in the horizontal bearing capacity was 4.87%， and the average difference in the stiffness degradation curves was 6.96%， indicating that the test results were in good agreement with the simulation results. Subsequently， a stiffness analysis of the double-flange joint was conducted by comparing it with a finite element model of a welded frame. Under the premise of ensuring consistency between the test and numerical simulation， a parametric analysis of the plane frame was further carried out. A total of five numerical models of the plane frame were established to investigate the influence of core-barrel length on the hysteretic behavior， stress， strain， and other performance aspects of the double-flange joint and the plane frame. The results showed that increasing the core-barrel length significantly enhanced the ultimate bending capacity of the frame. The frame with core-barrel double-flange joints exhibited the same mechanical properties as the traditional welded frames. In structural calculations， this type of joint can be treated as a rigid connection， providing a reference for the design of prefabricated column-to-column joints.
- stiffness,
- box column,
- double flange,
- core-barrel,
- parametric analysis

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References(32)

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