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Stress Analysis of Narrow Steel Box Continuous Composite Beam Based on ABAQUS
https://orcid.org/http://orcid.org/0000-0002-4341-7776
https://orcid.org/http://orcid.org/0000-0002-7726-0308
https://orcid.org/http://orcid.org/0000-0002-7169-9037
https://orcid.org/http://orcid.org/0000-0003-2631-9784
The ABAQUS was used to analyze the stress of two narrow-width continuous composite steel box beams with different reinforcement ratios, and the rationality of the model was verified by comparing with the experimental data. Based on the model, by changing the strength grade of the composite beam wing plate and introducing the UHPC material, the stress condition of the beam negative moment area was improved. The buckling problem of the bridge deck was solved by filling the whole span with concrete. The simulation results showed that when the reinforcement ratio increased from 1% to 2%, the cracking load and yield load were significantly increased, and when the reinforcement ratio continued to increase, the enhancement effect was not significant. Only increasing the strength of the composite beam wing plate had no obvious optimization effect on the stiffness and yield strength of the composite beam. However, using UHPC material, the cracking load of the beam increased by 57.6%, and the deflection value decreased by 43.8% when reaching the cracking load. Compared with C40 composite beam, the yield load increased by 29.5%. The overall stress of composite beams was significantly improved.
Stress Analysis of Narrow Steel Box Continuous Composite Beam Based on ABAQUS
https://orcid.org/http://orcid.org/0000-0002-4341-7776
https://orcid.org/http://orcid.org/0000-0002-7726-0308
https://orcid.org/http://orcid.org/0000-0002-7169-9037
https://orcid.org/http://orcid.org/0000-0003-2631-9784
The ABAQUS was used to analyze the stress of two narrow-width continuous composite steel box beams with different reinforcement ratios, and the rationality of the model was verified by comparing with the experimental data. Based on the model, by changing the strength grade of the composite beam wing plate and introducing the UHPC material, the stress condition of the beam negative moment area was improved. The buckling problem of the bridge deck was solved by filling the whole span with concrete. The simulation results showed that when the reinforcement ratio increased from 1% to 2%, the cracking load and yield load were significantly increased, and when the reinforcement ratio continued to increase, the enhancement effect was not significant. Only increasing the strength of the composite beam wing plate had no obvious optimization effect on the stiffness and yield strength of the composite beam. However, using UHPC material, the cracking load of the beam increased by 57.6%, and the deflection value decreased by 43.8% when reaching the cracking load. Compared with C40 composite beam, the yield load increased by 29.5%. The overall stress of composite beams was significantly improved.
Stress Analysis of Narrow Steel Box Continuous Composite Beam Based on ABAQUS
https://orcid.org/http://orcid.org/0000-0002-4341-7776
https://orcid.org/http://orcid.org/0000-0002-7726-0308
https://orcid.org/http://orcid.org/0000-0002-7169-9037
https://orcid.org/http://orcid.org/0000-0003-2631-9784
The ABAQUS was used to analyze the stress of two narrow-width continuous composite steel box beams with different reinforcement ratios, and the rationality of the model was verified by comparing with the experimental data. Based on the model, by changing the strength grade of the composite beam wing plate and introducing the UHPC material, the stress condition of the beam negative moment area was improved. The buckling problem of the bridge deck was solved by filling the whole span with concrete. The simulation results showed that when the reinforcement ratio increased from 1% to 2%, the cracking load and yield load were significantly increased, and when the reinforcement ratio continued to increase, the enhancement effect was not significant. Only increasing the strength of the composite beam wing plate had no obvious optimization effect on the stiffness and yield strength of the composite beam. However, using UHPC material, the cracking load of the beam increased by 57.6%, and the deflection value decreased by 43.8% when reaching the cracking load. Compared with C40 composite beam, the yield load increased by 29.5%. The overall stress of composite beams was significantly improved.
Stress Analysis of Narrow Steel Box Continuous Composite Beam Based on ABAQUS
Lecture Notes in Civil Engineering
Guo, Wei (editor) / Qian, Kai (editor) / Huang, Jing (author) / Liu, Shuai (author) / Zheng, Yan (author) / Liu, Xiaobei (author)
International Conference on Green Building, Civil Engineering and Smart City ; 2022 ; Guilin, China
2022-09-08
12 pages
Article/Chapter (Book)
Electronic Resource
English
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