A Resilience Model for Joints Between Steel-Reinforced Concrete Columns and Steel Beams Considering the Effect of Floor Slabs in a Shear Failure Mode

CHU Liusheng; YAN Zenghui; TIAN Ye; YUAN Chengfang

doi:10.13204/j.gyjzG20122911

Volume 53 Issue 1

Jan. 2023

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CHU Liusheng, YAN Zenghui, TIAN Ye, YUAN Chengfang. A Resilience Model for Joints Between Steel-Reinforced Concrete Columns and Steel Beams Considering the Effect of Floor Slabs in a Shear Failure Mode[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(1): 175-181,90. doi: 10.13204/j.gyjzG20122911

Citation:

CHU Liusheng, YAN Zenghui, TIAN Ye, YUAN Chengfang. A Resilience Model for Joints Between Steel-Reinforced Concrete Columns and Steel Beams Considering the Effect of Floor Slabs in a Shear Failure Mode[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(1): 175-181,90. doi: 10.13204/j.gyjzG20122911

Citation:

CHU Liusheng, YAN Zenghui, TIAN Ye, YUAN Chengfang. A Resilience Model for Joints Between Steel-Reinforced Concrete Columns and Steel Beams Considering the Effect of Floor Slabs in a Shear Failure Mode[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(1): 175-181,90. doi: 10.13204/j.gyjzG20122911

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A Resilience Model for Joints Between Steel-Reinforced Concrete Columns and Steel Beams Considering the Effect of Floor Slabs in a Shear Failure Mode

doi: 10.13204/j.gyjzG20122911

Yellow River Laboratory, Zhengzhou University, Zhengzhou 450001, China

Received Date: 2020-12-29
Available Online: 2023-05-25
Publish Date: 2023-01-20

Abstract

Abstract

The joints between steel-reinforced concrete (SRC) columns and steel beams considering the effect of floor slabs in a shear failure mode were studied. A total of 6 joints with different axial compression ratios and floor thicknesses were designed to analyze the structure in quasi-static tests. By comparing and analyzing the laws of the experimental skeleton curves of joints between SRC columns and steel beams with and without floor slabs in a shear failure mode, a trilinear model was selected to establish the dimensionless skeleton curve for joints between SRC columns and steel beams in a shear failure mode considering floor slab effects, and the equation expression was obtained by linear fitting through the ORIGIN software. Then the stiffness degradation laws of the six joints at different stages during the loading process were analyzed, and a model of its resilience was constructed. The stiffness of the same stage in the test was non-linear regression by ORIGIN, and the stiffness degradation curve equations of each stage were obtained, and the calculation was conducted according to the resilience model of joints between SRC columns and steel beams considering the effect of floor slabs in the proposed shear failure mode, the test results and the simulation results were in good agreement, indicating that the restoring model was effective
- SRC column,
- steel beam,
- axial compression ratio,
- floor slab,
- shear failure,
- dimensionless skeleton curve,
- restoring force model

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References(16)

References

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