Finite Element Analysis of Bending Performance of Steel-Bamboo Composite Double-Chamber Box Beams

TANG Zhengfeng; SHAN Qifeng; TONG Keting; GE Yumeng; LI Yushun

doi:10.3724/j.gyjzG23112009

Volume 54 Issue 7

Jul. 2024

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Citation:

TANG Zhengfeng, SHAN Qifeng, TONG Keting, GE Yumeng, LI Yushun. Finite Element Analysis of Bending Performance of Steel-Bamboo Composite Double-Chamber Box Beams[J]. INDUSTRIAL CONSTRUCTION, 2024, 54(7): 69-77. doi: 10.3724/j.gyjzG23112009

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Finite Element Analysis of Bending Performance of Steel-Bamboo Composite Double-Chamber Box Beams

doi: 10.3724/j.gyjzG23112009

1. School of Civil & Environment Engineering and Geography Science, Ningbo University, Ningbo 315211, China;
2. School of Civil Engineering, Qingdao Agricultural University, Qingdao 266109, China

Received Date: 2023-11-20
Available Online: 2024-08-16

Abstract

Abstract

The steel-bamboo composite double-chamber box beam is a composite beam made of cold-formed thin-walled steel and restructured bamboo bonded through structural adhesive. The two materials jointly bear stress and coordinate deformation, and have excellent bending properties. Based on the experimental research, ABAQUS software was used to conduct three-dimensional modeling and finite element analysis, and the cohesion model was used to simulate the interaction of the material contact surface. The simulation results were compared with the test results to verify the reliability of the model, and the bending performance of the composite beam was analyzed. The results showed that the failure characteristics of the finite element simulation results were similar to the test results, the change pattern of the maximum deflection in the mid-span was similar, and the average error between the allowable deflection and the deflection under the test limit load was less than 5%; increase the flange thickness, flange width, web height, and the thickness of section steel of the composite beam could effectively improve the bending stiffness and bending load-bearing capacity; in addition, by increasing the web height within a certain range, the composite beam material utilization was higher, that is, for every 1 kg increased in usage, the allowable load and ultimate load would increase by 6.20 kN and 9.34 kN, respectively.
- steel-bamboo composite double-chamber box beam,
- bending performance,
- cohesive force model,
- finite element analysis,
- parameter analysis

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References(20)

References

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