Numerical and experimental research on annular crossed cable-truss structure under cable rupture |
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| Authors: | Renjie Liu Xiongyan Li Suduo Xue Marijke Mollaert Jihong Ye |
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| Institution: | 1.Key Laboratory of Urban Security and Disaster Engineering of MOE,Beijing University of Technology,Beijing,China;2.Department of Architectural Engineering,Vrije Universiteit Brussel,Elsene, Brussels,Belgium;3.School of Mechanics & Civil Engineering,China University of Mining and Technology,Xuzhou,China |
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| Abstract: | The Annular Crossed Cable-Truss Structure (ACCTS) is a new type of Tensile Spatial Structure with a configuration suitable to cover large-span stadiums. Its configuration has potential to perform well in resisting disproportionate collapse. However, its disproportionate collapse resistance hasn’t yet been analyzed in depth. In this study, numerical and experimental research was carried out to investigate the performance of ACCTS under cable rupture. The numerical analysis was done for ten cable-rupture plans using LS-DYNA (explicit method) and the experimental test on an ACCTS with a diameter of 17.15 m was performed for three cable-rupture plans. It is concluded that, while deflections increase with the number of removed cables, an ACCTS does not undergo a disproportionate collapse and it provides a promising structural concept for tensile spatial structures. |
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