Experimental Research on Seismic Performance of New-Type Steel Reinforced Concrete Composite Columns

WANG Peng; YU Bin; SHI Qingxuan; WANG Feng

doi:10.13204/j.gyjzG21072801

Volume 52 Issue 12

Dec. 2022

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WANG Peng, YU Bin, SHI Qingxuan, WANG Feng. Experimental Research on Seismic Performance of New-Type Steel Reinforced Concrete Composite Columns[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(12): 113-120,127. doi: 10.13204/j.gyjzG21072801

Citation:

WANG Peng, YU Bin, SHI Qingxuan, WANG Feng. Experimental Research on Seismic Performance of New-Type Steel Reinforced Concrete Composite Columns[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(12): 113-120,127. doi: 10.13204/j.gyjzG21072801

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Experimental Research on Seismic Performance of New-Type Steel Reinforced Concrete Composite Columns

doi: 10.13204/j.gyjzG21072801

WANG Peng^1,2,
YU Bin^{1
,
,},
SHI Qingxuan^1,2,
WANG Feng¹

1. School of Civil Engineering, Xi'an University of Architecture & Technology, Xi'an 710055, China;
2. Key Lab of Structural Engineering and Earthquake Resistance, Ministry of Education(XAUAT), Xi'an 710055, China

Received Date: 2021-07-28
Available Online: 2023-03-22

Abstract

Abstract

Combined with the advantages of steel tube-reinforced concrete column and cross-shaped steel reinforced concrete column, a new type of steel reinforced concrete column was proposed. Steel flanges connected to the inner steel tube were arranged in the reinforced concrete outer layer of the steel tube of the steel tube-reinforced concrete column. The steel flanges could play the role of acting on the longitudinal bars to reduce the number of longitudinal bars in the column. And the steel flanges could improve the mechanical properties of concrete outside the steel tube and reduce the difference of mechanical properties of concrete inside and outside the steel tube in the traditional steel tube-reinforced concrete column. The quasi-static tests were carried out on 6 new type steel reinforced concrete columns and 1 cross-shaped steel reinforced concrete column, the design parameters mainly included section form, flange width and web height. The hysteretic performance, skeleton curve, stiffness degradation, displacement ductility coefficient, energy dissipation capacity, moment-curvature character, strain level of steel pipe and steel bars of composite column under quasi-static loading were studied.
- composite column,
- section form,
- seismic performance,
- quasi-static tests,
- strain level of steel

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References(15)

References

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