Research on Axial Compressive Performance of Bolted High-Strength Angle Steel Spliced Columns

WU Chenglong; LI Hao; CHEN Hong; MOU Ben; KAN Jiancheng

doi:10.3724/j.gyjzG25032701

Volume 56 Issue 7

Jul. 2026

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2026 > 56(7): 90-100

WU Chenglong, LI Hao, CHEN Hong, MOU Ben, KAN Jiancheng. Research on Axial Compressive Performance of Bolted High-Strength Angle Steel Spliced Columns[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(7): 90-100. doi: 10.3724/j.gyjzG25032701

Citation:

WU Chenglong, LI Hao, CHEN Hong, MOU Ben, KAN Jiancheng. Research on Axial Compressive Performance of Bolted High-Strength Angle Steel Spliced Columns[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(7): 90-100. doi: 10.3724/j.gyjzG25032701

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Research on Axial Compressive Performance of Bolted High-Strength Angle Steel Spliced Columns

doi: 10.3724/j.gyjzG25032701

1. School of Civil Engineering, Qingdao University of Technology, Qingdao 266033, China;
2. School of Civil Engineering, Central South University, Changsha 410075, China;
3. China Construction Eighth Engineering Division Co., Ltd., Shanghai 200120, China

Received Date: 2025-03-27
Available Online: 2026-08-31
Publish Date: 2026-07-20

Abstract

Abstract

In order to further explore the connection form and mechanical properties of non-welded high-strength steel columns， numerical simulations and theoretical analysis of the compressive performance of bolted high-strength angle steel spliced columns were carried out based on experimental studies. First， finite element modeling and verification of the specimens were performed using ABAQUS. Then， 48 extended models were established to investigate the effects of the height-thickness ratio of the angle steel web， the width-thickness ratio of the angle steel flange， and the thickness of the middle plate on the compressive performance of high-strength angle steel spliced columns. Finally， the applicability of existing Chinese and international design specifications was evaluated， and modifications were proposed for the more conservative design specifications. The results showed that all four parameters had a positive effect on the bearing capacity of high-strength angle steel spliced columns， with the width-thickness ratio of the angle steel flange being the most influential parameter. The smaller the slenderness ratio， the greater the influence of the width-thickness ratio of the flange. The modified design formula provided a more accurate prediction of the bearing capacity of high-strength angle steel spliced columns.
- high-strength steel,
- angle steel spliced columns,
- axial compression test,
- parametric analysis,
- design method

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References(31)

References

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