Shear Behavior of High-Strength Bolt Connectors in Composite Beams
Author Information
Author(s): Li Wei, Wang Jie, Xing Xiaobo, Liu Huining, Di Jin, Sun Xianchao, Li Leibo, Li Hongwei, Qin Fengjiang
Primary Institution: Chongqing University
Hypothesis
What factors influence the shear behavior of high-strength bolt connectors in steel-concrete composite beams?
Conclusion
The study found that the ultimate bearing capacity of high-strength bolt connectors is influenced by interface friction, bolt diameter, and strength, while preload has a negligible effect on ultimate slip displacement.
Supporting Evidence
- High-strength bolt connectors provide superior bonding strength and ease of installation compared to traditional connectors.
- The ultimate bearing capacity is influenced by interfacial friction and bolt shear capacity.
- Preload has a significant impact on the initial slip load but not on the ultimate bearing capacity.
- Finite element analysis was used to assess the impact of various parameters on shear behavior.
Takeaway
This study looked at how strong bolts hold together steel and concrete beams. It found that the way the bolts are set up and how strong they are matters a lot for how well they work.
Methodology
Static push-out tests were performed on nine specimens to examine their shear behavior, and a finite element method was used for parametric analysis.
Limitations
The study did not address the effects of varying environmental conditions on the performance of high-strength bolt connectors.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website