Research on Seismic Performance of Steel Frames with Blind Bolted Connections

BU Xin; LIU Huanhuan; SUN Haisu; WANG Xinwu

doi:10.3724/j.gyjzG23032309

Volume 55 Issue 11

Nov. 2025

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BU Xin, LIU Huanhuan, SUN Haisu, WANG Xinwu. Research on Seismic Performance of Steel Frames with Blind Bolted Connections[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(11): 19-27. doi: 10.3724/j.gyjzG23032309

Citation:

BU Xin, LIU Huanhuan, SUN Haisu, WANG Xinwu. Research on Seismic Performance of Steel Frames with Blind Bolted Connections[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(11): 19-27. doi: 10.3724/j.gyjzG23032309

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Research on Seismic Performance of Steel Frames with Blind Bolted Connections

doi: 10.3724/j.gyjzG23032309

BU Xin^1,2,
LIU Huanhuan^1,2,
SUN Haisu^1,2,
WANG Xinwu^{1,2
,
,}

1. Department of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang 471023, China;
2. International Union Laboratory of New Civil Engineering Structure of Henan Province, Luoyang 471023, China

Received Date: 2023-03-23
Available Online: 2026-01-06
Publish Date: 2025-11-20

Abstract

Abstract

The localization of blind bolt production has promoted the application of square steel tube members with excellent mechanical properties in steel structure engineering. A new type of prefabricated steel frame structure is formed by connecting H-shaped steel beams and square steel tube columns using T-stubs and blind bolt connection technology. In order to study the seismic performance of this type of structure， a single-layer single-span steel frame connected by T-stubs and blind bolts was designed and subjected to quasi-static testing.. At the same time， a refined finite element model was established for nonlinear analysis， and the model was verified based on the test results. The hysteresis performance and failure modes of the steel frame connected with blind bolts were obtained， and the plastic development characteristics， lateral stiffness degradation law， and ductility deformation capacity of the steel frame were analyzed. The research results showed that the steel frame connected with blind bolts exhibited good seismic performance and could withstand certain seismic effects. The results provide a certain reference and reference value for the application of prefabricated steel structures.
- steel frame structure,
- T-stub,
- blind bolt,
- quasi-static test,
- seismic performance

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References(18)

References

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