Experimental Research on Seismic Performance of Pin-Connected Steel Frame Structures with Different Braces

LI Ran; SHU Ganping; HU Bo; CHEN Shitong

doi:10.13204/j.gyjzG21082504

Volume 53 Issue 11

Nov. 2023

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2023 > 53(11): 168-174

Lu Huaxi, Liang Pingying, Qiu Zaosheng. COMPARATIVE ANALYSIS OF THE INFLUENCE OF SOFT SOIL LAYER ON SITE CLASSIFICATION BETWEEN CHINESE CODE GB 50011—2001 AND EUROCODE 8[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(2): 82-85. doi: 10.13204/j.gyjz201002019

Citation:

LI Ran, SHU Ganping, HU Bo, CHEN Shitong. Experimental Research on Seismic Performance of Pin-Connected Steel Frame Structures with Different Braces[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(11): 168-174. doi: 10.13204/j.gyjzG21082504

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Experimental Research on Seismic Performance of Pin-Connected Steel Frame Structures with Different Braces

doi: 10.13204/j.gyjzG21082504

LI Ran^1,2,
SHU Ganping³,
HU Bo^{4
,
,},
CHEN Shitong^1,2

1. School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China;
2. Hebei Engineering Innovation Center for Traffic Emergency and Guarantee, Shijiazhuang 050043, China;
3. School of Civil Engineering, Southeast University, Nanjing 211189, China;
4. Department of Engineering Mechanics, Shijiazhuang Tiedao University, Shijiazhuang 050043, China

Received Date: 2021-08-25

Abstract

Abstract

Two 1∶2 scaled single-span pin-connected steel frame structures with two floors were designed and fabricated. One is pin-connected steel frame with common braces (FMB) as the comparison frame, and the other is pin-connected steel frame with self-centering energy dissipation braces (FMD). The experimental study and comparative analysis of the two frames under quasi-static loading were carried out. The results showed that the out-of-plane instability and buckling occured in FMB during the loading process, local warpage also occurred in the beam-brace connection zone. The FMB was almost no energy dissipation capacity or self-centering capability. Self-centering energy dissipation devices in FMD played the energy dissipation and self-centering function, and other components kept in the elastic. After loading, no damage occurred to the structure. The structure possessed good energy dissipation capability and could restored to its initial station after loading. Compared to FMB, FMD owned about the same yielding load, higher sidesway resistance, greater ductility, stronger energy dissipation and self-centering capacity.
- self-centering,
- energy dissipation,
- pin-connected steel frame structure,
- seismic performance,
- experimental study

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References

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