Numerical Analysis of Joint of Composite Beam and Rectangular Steel Tube Under Progressive Collapse Condition

SUN Xin; WANG Junjie; ZHAO Yong; WANG Wei

doi:10.13204/j.gyjzG20100803

Volume 52 Issue 5

Jul. 2022

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SUN Xin, WANG Junjie, ZHAO Yong, WANG Wei. Numerical Analysis of Joint of Composite Beam and Rectangular Steel Tube Under Progressive Collapse Condition[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(5): 140-146. doi: 10.13204/j.gyjzG20100803

Citation:

SUN Xin, WANG Junjie, ZHAO Yong, WANG Wei. Numerical Analysis of Joint of Composite Beam and Rectangular Steel Tube Under Progressive Collapse Condition[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(5): 140-146. doi: 10.13204/j.gyjzG20100803

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Numerical Analysis of Joint of Composite Beam and Rectangular Steel Tube Under Progressive Collapse Condition

doi: 10.13204/j.gyjzG20100803

SUN Xin¹,
WANG Junjie^2,3,
ZHAO Yong¹,
WANG Wei^{2,3
,
,}

1. School of Urban and Rural Planning & Civil Engineering, Guiyang University, Guiyang 550005, China;
2. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;
3. Department of Structural Engineering, Tongji University, Shanghai 200092, China

Received Date: 2020-10-08
Available Online: 2022-07-23
Publish Date: 2022-07-23

Abstract

Abstract

The finite element model of joint of composite beam and rectangular steel tube was established to investigate the resistance under the progressive collapse scenario through finite element software ABAQUS. The middle-joint above the removed column and the side-joint adjacent to the removed column were considered to investigate the failure mode and resistance mechanism.The results showed the resistance mechanism of middle joint was flexural action, compressive arch action and catenary action, while the resistance mechanism of side joint was flexural action and catenary action. Compressive arch action significantly improved the bearing capality load resistance at flexural stage and delays the catenary action for middle joint. According to the principle of energy, the static responses of two joints were transformed into dynamic responses.With the simplified assessment method,the results indicated that these two joints had enough resistance to withstand progressive collapse.
- progressive collapse,
- numerical analysis,
- rigid joint,
- compressive arch action,
- catenary action

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References(15)

References

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