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Author:

Lu, J. (Lu, J..) | Xue, S.-D. (Xue, S.-D..) | Li, X.-Y. (Li, X.-Y..)

Indexed by:

EI Scopus

Abstract:

Spatial cable-truss structure without inner ring cables (SCSWIRC) is a new type of cable-truss tension structures (CTTS), and its anti-collapse ability is strong, but its construction forming is difficult. The main reason is that there are a lot of struts (or compression struts) when the span of SCSWIRC is larger and struts are easy to cause winding and collision during its construction. In order to solve the difficulty of construction forming, the grid-jumping layout was proposed to simplify SCSWIRC to delete the redundant struts. It is necessary to further study whether the anti-collapse ability of the remaining structure after the grid-jumping layout is affected by grid-jumping layout. Based on transient dynamic theory, the rupture of local cables (struts) of SCSWIRC with grid-jumping layout is studied. The research results show that self-weight has a little influence on the SCSWIRC; the initial prestress only increases the internal forces of components and the same proportion of feasible prestress levels do not amplify the response of SCSWIRC with rupture of local cables (struts); the anti-collapse ability of the remaining structure after the grid-jumping layout of SCSWIRC is still strong and the ability to resist the external loads is good at the same time. The rupture of local cables (struts) for the original scheme and grid-jumping layout schemes do not cause the progressive collapse. The research contents offer useful reference for the safety design of SCSWIRC. Copyright © 2023 by the International Association for Shell and Spatial Structures (IASS).

Keyword:

The rupture of local cables (struts) Grid-jumping layout Spatial cable-truss structure without inner ring cables (SCSWIRC) Progressive collapse Transient dynamics theory

Author Community:

  • [ 1 ] [Lu J.]College of Civil and Architecture Engineering, Beijing University of Technology, China
  • [ 2 ] [Lu J.]College of Civil and Architecture Engineering, Beijing University of Technology, China
  • [ 3 ] [Xue S.-D.]College of Civil and Architecture Engineering, Beijing University of Technology, China
  • [ 4 ] [Xue S.-D.]College of Civil and Architecture Engineering, Beijing University of Technology, China
  • [ 5 ] [Li X.-Y.]College of Civil and Architecture Engineering, Beijing University of Technology, China
  • [ 6 ] [Li X.-Y.]College of Civil and Architecture Engineering, Beijing University of Technology, China

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Source :

Journal of the International Association for Shell and Spatial Structures

ISSN: 1028-365X

Year: 2023

Issue: 1

Volume: 64

Page: 19-33

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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