A Simplified Simulation Method of Concrete-filled Square Steel Tube Composite Column Connected By H-shaped Steel

YAN Xiangyu; ZHANG Tianzhu; ZHANG Xi; CHEN Zhihua; KANG Jingfu

doi:10.13204/j.gyjzG20102702

Volume 52 Issue 1

Apr. 2022

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Abstract

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2022 > 52(1): 31-38

YAN Xiangyu, ZHANG Tianzhu, ZHANG Xi, CHEN Zhihua, KANG Jingfu. A Simplified Simulation Method of Concrete-filled Square Steel Tube Composite Column Connected By H-shaped Steel[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(1): 31-38. doi: 10.13204/j.gyjzG20102702

Citation:

YAN Xiangyu, ZHANG Tianzhu, ZHANG Xi, CHEN Zhihua, KANG Jingfu. A Simplified Simulation Method of Concrete-filled Square Steel Tube Composite Column Connected By H-shaped Steel[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(1): 31-38. doi: 10.13204/j.gyjzG20102702

Citation:

YAN Xiangyu, ZHANG Tianzhu, ZHANG Xi, CHEN Zhihua, KANG Jingfu. A Simplified Simulation Method of Concrete-filled Square Steel Tube Composite Column Connected By H-shaped Steel[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(1): 31-38. doi: 10.13204/j.gyjzG20102702

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A Simplified Simulation Method of Concrete-filled Square Steel Tube Composite Column Connected By H-shaped Steel

doi: 10.13204/j.gyjzG20102702

YAN Xiangyu^1,2,3,
ZHANG Tianzhu²,
ZHANG Xi²,
CHEN Zhihua^{2,3
,
,},
KANG Jingfu^2,3

1. Tianjin University Research Institute of Architectural Design and Urban Planning Co., Ltd., Tianjin 300073, China;
2. School of Civil Engineering, Tianjin University, Tianjin 300072, China;
3. Key Laboratory of Coast Civil Structure and Safety of Ministry of Education (Tianjin University), Tianjin 300072, China

Received Date: 2020-10-27
Available Online: 2022-04-24

Abstract

Abstract

To facilitate the simulation of concrete-filled square steel tube (SCFT) column connected by H-shaped steel, three types of models were established, including the simplified double-beam single-shell element models (based on the equivalent axial stiffness and bending stiffness) as well as the normal solid element model. The mechanical properties of models under compression and bending were discussed considering test results. On the basis of the solid element model and both the single-beam single-shell element model and double-beam single-shell element model converted by equivalent stiffness, the typical SCFT frame models were established by using the general analysis and design software MIDAS. The responses of these frame models were compared under different load conditions. The results showed that the failure modes and bearing capacity obtained by three models were consistent and in good agreement with the test results, and the natural vibration characteristics, story drift and column bottom reaction of SCFT frame were consistent, indicating the results of the simplified models were accurate and the simplified models of SCFT column based on the equivalent stiffness were proved to be feasible for structural analysis.

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References(13)

References

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