Steel and Composite Structures

  • 제18권4호
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  • Pages.947-970
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  • 2015
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  • 1229-9367(pISSN)
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  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

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A new equivalent friction element for analysis of cable supported structures

  • Yan, Renzhang (School of Civil Engineering, Tianjin University) ;
  • Chen, Zhihua (School of Civil Engineering, Tianjin University) ;
  • Wang, Xiaodun (School of Civil Engineering, Tianjin University) ;
  • Liu, Hongbo (School of Civil Engineering, Tianjin University) ;
  • Xiao, Xiao (School of Civil Engineering, Tianjin University)
  • 투고 : 2014.02.26
  • 심사 : 2014.10.10
  • 발행 : 2015.04.25
⟨ 이전 논문 다음 논문 ⟩

초록

An equivalent friction element is proposed to simulate the friction in cable-strut joints. Equivalent stiffness matrixes and load vectors of the friction element are derived and are unified into patterns for FEM by defining a virtual node specially to store internal forces. Three approaches are described to verify the rationality of the new equivalent friction element: applying the new element in a cable-roller model, and numerical solutions match well with experimental results; applying the element in a continuous sliding cable model, and theoretical values, numerical and experimental results are compared; and the last is applying it in truss string structures, whose results indicate that there would be a great error if the cable of cable supported structures is simulated with discontinuous cable model which is usually adopted in traditional finite element analysis, and that the prestress loss resulted from the friction in cable-strut joints would have adverse effect on the mechanical performance of cable supported structures.

키워드

참고문헌

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  1. Study on mechanical behaviors of cable-supported ribbed beam composite slab structure during construction phase vol.21, pp.1, 2016, https://doi.org/10.12989/scs.2016.21.1.177
  2. A Novel Numerical Method for Considering Friction During Pre-stressing Construction of Cable-Supported Structures pp.2093-6311, 2018, https://doi.org/10.1007/s13296-018-0078-y
  3. Finite element modeling of cable sliding and its effect on dynamic response of cable-supported truss vol.13, pp.5, 2019, https://doi.org/10.1007/s11709-019-0551-5
  4. Influence of Friction on Buckling and Dynamic Behavior of Suspen-Dome Structures vol.30, pp.2, 2020, https://doi.org/10.1080/10168664.2019.1634983