Steel and Composite Structures

  • 제20권3호
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  • Pages.501-512
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  • 2016
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
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Three-dimensional finite element simulation and application of high-strength bolts

  • Long, Liji (Faculty of Infrastructure Engineering Dalian University of Technology) ;
  • Yan, Yongsong (College of materials science and engineering chongqing university) ;
  • Gao, Xinlin (China Communications 2nd Navigational Bureau 2nd Engineering Co., Ltd.) ;
  • Kang, Haigui (Southwestern Hydro Engineering Research Institute For Water Way, National Engineering Technology Research Center for Inland Waterway Regulation)
  • 투고 : 2015.04.03
  • 심사 : 2015.11.12
  • 발행 : 2016.02.29
⟨ 이전 논문 다음 논문 ⟩

초록

High-strength structural bolts have been utilized for beam-to-column connections in steel-framed structural buildings. Failure of these components may be caused by the bolt shank fracture or threads stripping-off, documented in the literature. Furthermore, these structural bolts are galvanized for corrosion resistance or quenched-and-tempered in the manufacturing process. This paper adopted the finite element simulation to demonstrate discrete mechanical performance for these bolts under tensile loading conditions, the coated and uncoated numerical model has been built up for two numerical integration methods: explicit and implicit. Experimental testing and numerical methods can fully approach the failure mechanism of these bolts and their ultimate load capacities. Comparison has also been conducted for two numerical integration methods, demonstrating that the explicit integration procedure is also suitable for solving quasi-static problems. Furthermore, by using precise bolt models in T-Stub, more accurately simulate the mechanical behavior of T-Stub, which will lay the foundation of the mechanical properties of steel bolted joints.

키워드

참고문헌

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피인용 문헌

  1. Simplified criteria for finite element modelling of European preloadable bolts vol.24, pp.6, 2017, https://doi.org/10.12989/scs.2017.24.6.643
  2. Behaviour and design of Grade 10.9 high-strength bolts under combined actions vol.35, pp.3, 2016, https://doi.org/10.12989/scs.2020.35.3.327